feat: 添加cgroups测试用例

Close #I6H2AR
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I31a432b69ea5fbad137aa1bb947fff4b6fc307df

fs/proc/os_adapt/plimits_proc.c

@@ -68,8 +68,6 @@ static ssize_t PidLimitReadPriorityLimit(struct SeqBuf *seqBuf, VOID *data);
 static ssize_t PriorityLimitVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
 static ssize_t PidsMaxVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
 static ssize_t ProcLimitsShowLimiters(struct SeqBuf *seqBuf, VOID *data);
-static ssize_t ProcLimitsDeleteLimiters(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
-static ssize_t ProcLimitsAddLimiters(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
 static int ProcfsPlimitsMkdir(struct ProcDirEntry *parent, const char *dirName, mode_t mode, struct ProcDirEntry **pde);
 static int ProcfsPlimitsRmdir(struct ProcDirEntry *parent, struct ProcDirEntry *pde, const char *name);
 #ifdef LOSCFG_KERNEL_MEM_PLIMIT
@@ -120,24 +118,6 @@ static struct PLimitsEntryOpt g_plimitsEntryOpts[] = {
             .read = ProcLimitsShowLimiters,
         }
     },
-    {
-        .id = PROCESS_LIMITER_COUNT,
-        .name = "plimits.limiter_add",
-        .mode = PLIMIT_FILE_MODE_READ_WRITE,
-        .offset = UNITPTR_NULL,
-        .ops = {
-            .write = ProcLimitsAddLimiters,
-        },
-    },
-    {
-        .id = PROCESS_LIMITER_COUNT,
-        .name = "plimits.limiter_delete",
-        .mode = PLIMIT_FILE_MODE_READ_WRITE,
-        .offset = UNITPTR_NULL,
-        .ops = {
-            .write = ProcLimitsDeleteLimiters,
-        },
-    },
     {
         .id = PROCESS_LIMITER_COUNT,
         .name = "plimits.procs",
@@ -458,152 +438,6 @@ static ssize_t ProcLimitsShowLimiters(struct SeqBuf *seqBuf, VOID *data)
     return LOS_OK;
 }
 
-static ssize_t ProcLimitsAddLimiters(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
-{
-    (VOID)ppos;
-    unsigned int ret;
-    struct ProcDirEntry *dirEntry = pf->pPDE;
-    ProcLimiterSet *plimits = GetProcLimiterSetFromDirEntry(dirEntry);
-    char *kbuf = NULL;
-
-    ret = MemUserCopy(buf, count, &kbuf);
-    if (ret != 0) {
-        return -ret;
-    } else if ((ret == 0) && (kbuf != NULL)) {
-        buf = (const char *)kbuf;
-    }
-
-    enum ProcLimiterID procLimiterID = 0;
-    if (strcmp(buf, "pids") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_PIDS;
-#ifdef LOSCFG_KERNEL_MEM_PLIMIT
-    } else if (strcmp(buf, "memory") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_MEM;
-#endif
-#ifdef LOSCFG_KERNEL_IPC_PLIMIT
-   } else if (strcmp(buf, "ipc") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_IPC;
-#endif
-#ifdef LOSCFG_KERNEL_DEV_PLIMIT
-    } else if (strcmp(buf, "devices") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_DEV;
-#endif
-#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
-    } else if (strcmp(buf, "sched") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_SCHED;
-#endif
-    } else {
-        (void)LOS_MemFree(m_aucSysMem1, kbuf);
-        PRINTK("enter error, please check the params.\n");
-        return -EINVAL;
-    }
-    (void)LOS_MemFree(m_aucSysMem1, kbuf);
-
-    ret = OsPLimitsAddLimiters(plimits, procLimiterID);
-    if (ret != LOS_OK) {
-        return -ret;
-    }
-
-    ProcLimiterDirEntryInit(dirEntry, BIT(procLimiterID), PLIMIT_FILE_MODE_MASK_NONE);
-    return count;
-}
-
-static struct ProcDirEntry *PLimitsProcFindEntry(const char *name, struct ProcDirEntry *parent)
-{
-    int len = strlen(name);
-    struct ProcDirEntry *pn = NULL;
-    for (pn = parent->subdir; pn != NULL; pn = pn->next) {
-        if (ProcMatch(len, name, pn)) {
-            break;
-        }
-    }
-    return pn;
-}
-
-static int DeleteProcEntry(const char *buf, struct ProcDirEntry *currDirectory)
-{
-    struct ProcDirEntry *entry = PLimitsProcFindEntry(buf, currDirectory);
-    if (entry == NULL) {
-        return EINVAL;
-    }
-    ProcDetachNode(entry);
-    ProcEntryClearVnode(entry);
-    ProcFreeEntry(entry);
-    return 0;
-}
-
-static int PLimitsDeleteProcEntry(enum ProcLimiterID procLimiterID, struct ProcDirEntry *currDirectory)
-{
-    for (int index = 0; index < (sizeof(g_plimitsEntryOpts) / sizeof(struct PLimitsEntryOpt)); index++) {
-        struct PLimitsEntryOpt *entryOpt = &g_plimitsEntryOpts[index];
-        if (entryOpt->id != procLimiterID) {
-            continue;
-        }
-        (void)DeleteProcEntry(entryOpt->name, currDirectory);
-    }
-    return 0;
-}
-
-static ssize_t ProcLimitsDeleteLimiters(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
-{
-    (VOID)ppos;
-    unsigned ret;
-    unsigned mask = 0;
-    enum ProcLimiterID procLimiterID = 0;
-    char *kbuf = NULL;
-
-    if ((pf == NULL) || (pf->pPDE == NULL)) {
-        return -EINVAL;
-    }
-
-    struct ProcDirEntry *pde = pf->pPDE;
-    struct ProcDirEntry *currDirectory = GetCurrDirectory(pde);
-    if ((currDirectory == NULL) || (currDirectory->data == NULL)) {
-        return -EINVAL;
-    }
-    ProcLimiterSet *plimits = (ProcLimiterSet *)currDirectory->data;
-
-    ret = MemUserCopy(buf, count, &kbuf);
-    if (ret != 0) {
-        return -ret;
-    } else if ((ret == 0) && (kbuf != NULL)) {
-        buf = (const char *)kbuf;
-    }
-
-    if (strcmp(buf, "pids") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_PIDS;
-#ifdef LOSCFG_KERNEL_MEM_PLIMIT
-    } else if (strcmp(buf, "memory") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_MEM;
-#endif
-#ifdef LOSCFG_KERNEL_IPC_PLIMIT
-    } else if (strcmp(buf, "ipc") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_IPC;
-#endif
-#ifdef LOSCFG_KERNEL_DEV_PLIMIT
-    } else if (strcmp(buf, "devices") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_DEV;
-#endif
-#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
-    } else if (strcmp(buf, "sched") == 0) {
-        procLimiterID = PROCESS_LIMITER_ID_SCHED;
-#endif
-    } else {
-        PRINTK("the input information or format is incorrect.\n");
-        (void)LOS_MemFree(m_aucSysMem1, kbuf);
-        return -EINVAL;
-    }
-    (void)LOS_MemFree(m_aucSysMem1, kbuf);
-
-    ret = OsPLimitsDeleteLimiters(plimits, procLimiterID, &mask);
-    if (ret != LOS_OK) {
-        return -ret;
-    }
-
-    PLimitsDeleteProcEntry(procLimiterID, currDirectory);
-    return count;
-}
-
 #define PLIMITS_PID_STR_LENGTH 4
 static int ShowPids(struct SeqBuf *seqBuf, VOID *data)
 {

fs/proc/src/proc_file.c

@@ -645,15 +645,11 @@ int WriteProcFile(struct ProcDirEntry *pde, const void *buf, size_t len)
         return -EISDIR;
     }
 
-#ifndef LOSCFG_KERNEL_PLIMITS
     spin_lock(&procfsLock);
-#endif
     if ((pde->procFileOps != NULL) && (pde->procFileOps->write != NULL)) {
         result = pde->procFileOps->write(pde->pf, (const char *)buf, len, &(pde->pf->fPos));
     }
-#ifndef LOSCFG_KERNEL_PLIMITS
     spin_unlock(&procfsLock);
-#endif
     return result;
 }
 

kernel/extended/plimit/los_devicelimit.c

@@ -58,7 +58,6 @@ VOID *OsDevLimitAlloc(VOID)
     (VOID)memset_s(plimit, sizeof(ProcDevLimit), 0, sizeof(ProcDevLimit));
     LOS_ListInit(&(plimit->accessList));
     plimit->behavior = DEVLIMIT_DEFAULT_NONE;
-    LOS_AtomicSet(&plimit->rc, 1);
     return (VOID *)plimit;
 }
 
@@ -79,11 +78,8 @@ VOID OsDevLimitFree(UINTPTR limit)
         return;
     }
 
-    LOS_AtomicDec(&devLimit->rc);
-    if (LOS_AtomicRead(&devLimit->rc) <= 0) {
-        DevAccessListDelete(devLimit);
-        LOS_KernelFree(devLimit);
-    }
+    DevAccessListDelete(devLimit);
+    LOS_KernelFree(devLimit);
 }
 
 STATIC UINT32 DevLimitCopyAccess(ProcDevLimit *devLimitDest, ProcDevLimit *devLimitSrc)
@@ -110,16 +106,6 @@ VOID OsDevLimitCopy(UINTPTR dest, UINTPTR src)
     devLimitDest->parent = (ProcDevLimit *)src;
 }
 
-VOID OsDevLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
-{
-    (VOID)currLimit;
-    ProcDevLimit *parentDevLimit = (ProcDevLimit *)parentLimit;
-    LosProcessCB *pcb = (LosProcessCB *)process;
-    if (pcb == NULL) {
-        LOS_AtomicInc(&parentDevLimit->rc);
-    }
-}
-
 STATIC INLINE INT32 IsSpace(INT32 c)
 {
     return (c == ' ' || (unsigned)c - '\t' < BUF_SEPARATOR);

kernel/extended/plimit/los_devicelimit.h

@@ -32,7 +32,6 @@
 #define _LOS_DEVICELIMIT_H
 
 #include "los_typedef.h"
-#include "los_atomic.h"
 #include "los_list.h"
 #include "vfs_config.h"
 
@@ -74,7 +73,6 @@ typedef struct DevAccessItem {
 
 typedef struct ProcDevLimit {
     struct ProcDevLimit *parent;
-    Atomic rc;
     UINT8 allowFile;
     UINT8 denyFile;
     LOS_DL_LIST accessList; // device belong to devicelimite
@@ -85,7 +83,6 @@ VOID OsDevLimitInit(UINTPTR limit);
 VOID *OsDevLimitAlloc(VOID);
 VOID OsDevLimitFree(UINTPTR limit);
 VOID OsDevLimitCopy(UINTPTR dest, UINTPTR src);
-VOID OsDevLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
 UINT32 OsDevLimitWriteAllow(ProcLimitSet *plimit, const CHAR *buf, UINT32 size);
 UINT32 OsDevLimitWriteDeny(ProcLimitSet *plimit, const CHAR *buf, UINT32 size);
 UINT32 OsDevLimitShow(ProcDevLimit *devLimit, struct SeqBuf *seqBuf);

kernel/extended/plimit/los_ipclimit.c

@@ -50,7 +50,6 @@ VOID *OsIPCLimitAlloc(VOID)
         return NULL;
     }
     (VOID)memset_s(plimite, sizeof(ProcIPCLimit), 0, sizeof(ProcIPCLimit));
-    LOS_AtomicSet(&plimite->rc, 1);
     return (VOID *)plimite;
 }
 
@@ -61,10 +60,7 @@ VOID OsIPCLimitFree(UINTPTR limite)
         return;
     }
 
-    LOS_AtomicDec(&plimite->rc);
-    if (LOS_AtomicRead(&plimite->rc) <= 0) {
-        LOS_KernelFree((VOID *)plimite);
-    }
+    LOS_KernelFree((VOID *)plimite);
 }
 
 VOID OsIPCLimitCopy(UINTPTR dest, UINTPTR src)
@@ -101,7 +97,6 @@ VOID OsIPCLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
         parentIpcLimit->mqFailedCount += currIpcLimit->mqFailedCount;
         parentIpcLimit->shmSize += currIpcLimit->shmSize;
         parentIpcLimit->shmFailedCount += currIpcLimit->shmFailedCount;
-        LOS_AtomicInc(&parentIpcLimit->rc);
         return;
     }
 

kernel/extended/plimit/los_ipclimit.h

@@ -32,7 +32,6 @@
 #define _LOS_IPCLIMIT_H
 
 #include "los_typedef.h"
-#include "los_atomic.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -41,7 +40,6 @@ extern "C" {
 #endif /* __cplusplus */
 
 typedef struct ProcIPCLimit {
-    Atomic rc;
     UINT32 mqCount;
     UINT32 mqFailedCount;
     UINT32 mqCountLimit;

kernel/extended/plimit/los_memlimit.c

@@ -57,7 +57,6 @@ VOID *OsMemLimiterAlloc(VOID)
         return NULL;
     }
     (VOID)memset_s(plimite, sizeof(ProcMemLimiter), 0, sizeof(ProcMemLimiter));
-    LOS_AtomicSet(&plimite->rc, 1);
     return (VOID *)plimite;
 }
 
@@ -68,10 +67,7 @@ VOID OsMemLimiterFree(UINTPTR limite)
         return;
     }
 
-    LOS_AtomicDec(&plimite->rc);
-    if (LOS_AtomicRead(&plimite->rc) <= 0) {
-        LOS_KernelFree((VOID *)limite);
-    }
+    LOS_KernelFree((VOID *)limite);
 }
 
 VOID OsMemLimiterCopy(UINTPTR dest, UINTPTR src)
@@ -104,7 +100,6 @@ VOID OsMemLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process
         if (parentMemLimit->peak < parentMemLimit->usage) {
             parentMemLimit->peak = parentMemLimit->usage;
         }
-        LOS_AtomicInc(&parentMemLimit->rc);
         return;
     }
 

kernel/extended/plimit/los_memlimit.h

@@ -32,7 +32,6 @@
 #define _LOS_MEMLIMIT_H
 
 #include "los_typedef.h"
-#include "los_atomic.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -41,7 +40,6 @@ extern "C" {
 #endif /* __cplusplus */
 
 typedef struct ProcMemLimiter {
-    Atomic   rc;
     UINT64 usage;
     UINT64 limit;
     UINT64 peak;

kernel/extended/plimit/los_plimits.c

@@ -56,7 +56,7 @@ static PlimiteOperations g_limiteOps[PROCESS_LIMITER_COUNT] = {
         .LimiterAddProcess = OsPidLimitAddProcess,
         .LimiterDelProcess = OsPidLimitDelProcess,
         .LimiterMigrateCheck = PidLimitMigrateCheck,
-        .LimiterMigrate = OsPidLimiterMigrate,
+        .LimiterMigrate = NULL,
     },
 #ifdef LOSCFG_KERNEL_MEM_PLIMIT
     [PROCESS_LIMITER_ID_MEM] = {
@@ -81,7 +81,7 @@ static PlimiteOperations g_limiteOps[PROCESS_LIMITER_COUNT] = {
         .LimiterAddProcess = NULL,
         .LimiterDelProcess = NULL,
         .LimiterMigrateCheck = NULL,
-        .LimiterMigrate = OsSchedLimitMigrate,
+        .LimiterMigrate = NULL,
     },
 #endif
 #ifdef LOSCFG_KERNEL_DEV_PLIMIT
@@ -94,7 +94,7 @@ static PlimiteOperations g_limiteOps[PROCESS_LIMITER_COUNT] = {
         .LimiterAddProcess = NULL,
         .LimiterDelProcess = NULL,
         .LimiterMigrateCheck = NULL,
-        .LimiterMigrate = OsDevLimitMigrate,
+        .LimiterMigrate = NULL,
     },
 #endif
 #ifdef LOSCFG_KERNEL_IPC_PLIMIT
@@ -360,79 +360,6 @@ ProcLimiterSet *OsPLimitsCreate(ProcLimiterSet *parentPLimits)
     return newPLimits;
 }
 
-UINT32 OsPLimitsAddLimiters(ProcLimiterSet *procLimiterSet, enum ProcLimiterID plimiteID)
-{
-    UINT32 intSave;
-    UINT32 mask = BIT(plimiteID);
-    if ((procLimiterSet == NULL) || (plimiteID > PROCESS_LIMITER_COUNT)) {
-        return EINVAL;
-    }
-
-    SCHEDULER_LOCK(intSave);
-    if (procLimiterSet->level == 0) {
-        SCHEDULER_UNLOCK(intSave);
-        return EPERM;
-    }
-
-    if (procLimiterSet->mask & mask) {
-        SCHEDULER_UNLOCK(intSave);
-        return EINVAL;
-    }
-
-    UINTPTR currLimit = procLimiterSet->limitsList[plimiteID];
-    UINTPTR parentPLimit = procLimiterSet->parent->limitsList[plimiteID];
-    procLimiterSet->limitsList[plimiteID] = (UINTPTR)g_limiteOps[plimiteID].LimiterAlloc();
-    if (procLimiterSet->limitsList[plimiteID] == (UINTPTR)NULL) {
-        procLimiterSet->limitsList[plimiteID] = parentPLimit;
-        SCHEDULER_UNLOCK(intSave);
-        return ENOMEM;
-    }
-
-    g_limiteOps[plimiteID].LimiterCopy(procLimiterSet->limitsList[plimiteID], parentPLimit);
-    g_limiteOps[plimiteID].LimiterMigrate(procLimiterSet->limitsList[plimiteID],
-                                          parentPLimit, (UINTPTR)OsCurrProcessGet());
-    g_limiteOps[plimiteID].LimiterFree(currLimit);
-    SCHEDULER_UNLOCK(intSave);
-    return LOS_OK;
-}
-
-UINT32 OsPLimitsDeleteLimiters(ProcLimiterSet *procLimiterSet, enum ProcLimiterID plimiteID, UINT32 *mask)
-{
-    UINT32 intSave;
-
-    if ((procLimiterSet == NULL) || (plimiteID > PROCESS_LIMITER_COUNT) || (mask == NULL)) {
-        return EINVAL;
-    }
-
-    SCHEDULER_LOCK(intSave);
-    if (!(procLimiterSet->mask & BIT(plimiteID))) {
-        SCHEDULER_UNLOCK(intSave);
-        return EINVAL;
-    }
-
-    if (procLimiterSet->level == 0) {
-        SCHEDULER_UNLOCK(intSave);
-        return EPERM;
-    }
-
-    UINTPTR currLimit = procLimiterSet->limitsList[plimiteID];
-    UINTPTR parentPLimit = procLimiterSet->parent->limitsList[plimiteID];
-    if ((g_limiteOps[plimiteID].LimiterMigrateCheck != NULL) &&
-        !g_limiteOps[plimiteID].LimiterMigrateCheck(currLimit, parentPLimit)) {
-        SCHEDULER_UNLOCK(intSave);
-        return EINVAL;
-    }
-
-    g_limiteOps[plimiteID].LimiterMigrate(currLimit, parentPLimit, 0);
-    procLimiterSet->limitsList[plimiteID] = parentPLimit;
-    g_limiteOps[plimiteID].LimiterFree(currLimit);
-
-    procLimiterSet->mask &= (~BIT(plimiteID));
-    *mask = procLimiterSet->mask;
-    SCHEDULER_UNLOCK(intSave);
-    return LOS_OK;
-}
-
 #ifdef LOSCFG_KERNEL_MEM_PLIMIT
 UINT32 OsPLimitsMemUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size)
 {

kernel/extended/plimit/los_plimits.h

@@ -101,9 +101,6 @@ UINT32 OsPLimitsFree(ProcLimiterSet *currPLimits);
 ProcLimiterSet *OsPLimitsCreate(ProcLimiterSet *parentProcLimiterSet);
 UINT32 OsProcLimiterSetInit(VOID);
 
-UINT32 OsPLimitsAddLimiters(ProcLimiterSet *procLimiterSet, enum ProcLimiterID plimiteID);
-UINT32 OsPLimitsDeleteLimiters(ProcLimiterSet *procLimiterSet, enum ProcLimiterID plimiteID, UINT32 *mask);
-
 UINT32 OsPLimitsMemUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);
 UINT32 OsPLimitsIPCStatGet(ProcLimiterSet *plimits, ProcIPCLimit *ipc, UINT32 size);
 UINT32 OsPLimitsSchedUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);

kernel/extended/plimit/los_processlimit.c

@@ -57,7 +57,6 @@ VOID *PidLimiterAlloc(VOID)
         return NULL;
     }
     (VOID)memset_s(plimite, sizeof(PidLimit), 0, sizeof(PidLimit));
-    LOS_AtomicSet(&plimite->rc, 1);
     return (VOID *)plimite;
 }
 
@@ -68,10 +67,7 @@ VOID PidLimterFree(UINTPTR limit)
         return;
     }
 
-    LOS_AtomicDec(&pidLimit->rc);
-    if (LOS_AtomicRead(&pidLimit->rc) <= 0) {
-        LOS_KernelFree((VOID *)limit);
-    }
+    LOS_KernelFree((VOID *)limit);
 }
 
 BOOL PidLimitMigrateCheck(UINTPTR curr, UINTPTR parent)
@@ -88,18 +84,6 @@ BOOL PidLimitMigrateCheck(UINTPTR curr, UINTPTR parent)
     return TRUE;
 }
 
-VOID OsPidLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
-{
-    (VOID)currLimit;
-
-    PidLimit *parentPidLimit = (PidLimit *)parentLimit;
-    LosProcessCB *pcb = (LosProcessCB *)process;
-
-    if (pcb == NULL) {
-        LOS_AtomicInc(&parentPidLimit->rc);
-    }
-}
-
 BOOL OsPidLimitAddProcessCheck(UINTPTR limit, UINTPTR process)
 {
     (VOID)process;

kernel/extended/plimit/los_processlimit.h

@@ -33,7 +33,6 @@
 
 #include "los_list.h"
 #include "los_typedef.h"
-#include "los_atomic.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -42,7 +41,6 @@ extern "C" {
 #endif /* __cplusplus */
 
 typedef struct PidLimit {
-    Atomic rc;
     UINT32 pidLimit;
     UINT32 priorityLimit;
     UINT32 pidCount;
@@ -53,7 +51,6 @@ VOID *PidLimiterAlloc(VOID);
 VOID PidLimterFree(UINTPTR limit);
 VOID PidLimiterCopy(UINTPTR curr, UINTPTR parent);
 BOOL PidLimitMigrateCheck(UINTPTR curr, UINTPTR parent);
-VOID OsPidLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
 BOOL OsPidLimitAddProcessCheck(UINTPTR limit, UINTPTR process);
 VOID OsPidLimitAddProcess(UINTPTR limit, UINTPTR process);
 VOID OsPidLimitDelProcess(UINTPTR limit, UINTPTR process);

kernel/extended/plimit/los_schedlimit.c

@@ -49,7 +49,6 @@ VOID *OsSchedLimitAlloc(VOID)
         return NULL;
     }
     (VOID)memset_s(plimit, sizeof(ProcSchedLimiter), 0, sizeof(ProcSchedLimiter));
-    LOS_AtomicSet(&plimit->rc, 1);
     return (VOID *)plimit;
 }
 
@@ -60,10 +59,7 @@ VOID OsSchedLimitFree(UINTPTR limit)
         return;
     }
 
-    LOS_AtomicDec(&schedLimit->rc);
-    if (LOS_AtomicRead(&schedLimit->rc) <= 0) {
-        LOS_KernelFree((VOID *)limit);
-    }
+    LOS_KernelFree((VOID *)limit);
 }
 
 VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src)
@@ -75,16 +71,6 @@ VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src)
     return;
 }
 
-VOID OsSchedLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
-{
-    (VOID)currLimit;
-    ProcSchedLimiter *parentSchedLimit = (ProcSchedLimiter *)parentLimit;
-    LosProcessCB *pcb = (LosProcessCB *)process;
-    if (pcb == NULL) {
-        LOS_AtomicInc(&parentSchedLimit->rc);
-    }
-}
-
 VOID OsSchedLimitUpdateRuntime(LosTaskCB *runTask, UINT64 currTime, INT32 incTime)
 {
     LosProcessCB *run = (LosProcessCB *)runTask->processCB;

kernel/extended/plimit/los_schedlimit.h

@@ -32,7 +32,6 @@
 #define _LOS_SCHEDLIMIT_H
 
 #include "los_typedef.h"
-#include "los_atomic.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -44,7 +43,6 @@ extern "C" {
 typedef struct TagTaskCB LosTaskCB;
 
 typedef struct ProcSchedLimiter {
-    Atomic rc;
     UINT64 startTime;
     UINT64 endTime;
     UINT64 period;
@@ -58,7 +56,6 @@ VOID OsSchedLimitInit(UINTPTR limit);
 VOID *OsSchedLimitAlloc(VOID);
 VOID OsSchedLimitFree(UINTPTR limit);
 VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src);
-VOID OsSchedLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
 VOID OsSchedLimitUpdateRuntime(LosTaskCB *runTask, UINT64 currTime, INT32 incTime);
 UINT32 OsSchedLimitSetPeriod(ProcSchedLimiter *schedLimit, UINT64 value);
 UINT32 OsSchedLimitSetQuota(ProcSchedLimiter *schedLimit, UINT64 value);

testsuites/unittest/BUILD.gn

@@ -138,6 +138,9 @@ group("unittest") {
         if (LOSCFG_USER_TEST_PROCESS_FS == true) {
           deps += [ "process/fs:liteos_a_process_fs_unittest_door" ]
         }
+        if (LOSCFG_USER_TEST_PROCESS_PLIMITS == true) {
+          deps += [ "process/plimits:liteos_a_process_plimits_unittest_door" ]
+        }
       }
       if (LOSCFG_USER_TEST_LEVEL >= TEST_LEVEL_MIDDLE) {
         deps += [ "process/basic:liteos_a_process_basic_unittest" ]
@@ -145,6 +148,9 @@ group("unittest") {
         if (LOSCFG_USER_TEST_PROCESS_FS == true) {
           deps += [ "process/fs:liteos_a_process_fs_unittest" ]
         }
+        if (LOSCFG_USER_TEST_PROCESS_PLIMITS == true) {
+          deps += [ "process/plimits:liteos_a_process_plimits_unittest" ]
+        }
       }
     }
 

testsuites/unittest/config.gni

@@ -165,6 +165,11 @@ if (defined(LOSCFG_KERNEL_CONTAINER) || liteos_container_test_enable == true) {
   }
 }
 
+LOSCFG_USER_TEST_PROCESS_PLIMITS = false
+if (defined(LOSCFG_KERNEL_PLIMITS) || liteos_container_test_enable == true) {
+  LOSCFG_USER_TEST_PROCESS_PLIMITS = true
+}
+
 ########## fuzz test ##########
 LOSCFG_USER_FUZZ_TEST = false
 if (liteos_fuzz_test_enable == true) {

testsuites/unittest/process/plimits/BUILD.gn

+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//build/lite/config/test.gni")
+import("//kernel/liteos_a/testsuites/unittest/config.gni")
+import("./config.gni")
+
+if (LOSCFG_USER_TEST_LEVEL >= TEST_LEVEL_LOW) {
+  unittest("liteos_a_process_plimits_unittest_door") {
+    output_extension = "bin"
+    output_dir = "$root_out_dir/test/unittest/kernel"
+    include_dirs = common_include_dirs
+    sources = sources_entry
+    sources += sources_smoke
+    sources_full = []
+    sources += sources_full
+    configs = [ "../..:public_config_for_door" ]
+    deps = [ "//third_party/bounds_checking_function:libsec_shared" ]
+  }
+}
+
+if (LOSCFG_USER_TEST_LEVEL >= TEST_LEVEL_MIDDLE) {
+  unittest("liteos_a_process_plimits_unittest") {
+    output_extension = "bin"
+    output_dir = "$root_out_dir/test/unittest/kernel"
+    include_dirs = common_include_dirs
+    sources = sources_entry
+    sources += sources_smoke
+    sources += sources_full
+    configs = [ "../..:public_config_for_all" ]
+    deps = [ "//third_party/bounds_checking_function:libsec_shared" ]
+  }
+}

testsuites/unittest/process/plimits/It_process_plimits.h

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _IT_PROCESS_PLIMITS_H
+#define _IT_PROCESS_PLIMITS_H
+
+#include <string>
+#include <vector>
+#include <iostream>
+#include <sstream>
+#include <regex>
+#include <fcntl.h>
+#include <iostream>
+#include <cstring>
+#include <fstream>
+#include <regex>
+#include <sstream>
+#include <numeric>
+#include "osTest.h"
+
+#define MEM_PAGE_SIZE 4096
+#define MEM_SLEEP_TIME 5
+#define MEM_RESERVED_PAGE 2
+#define CHILD_FUNC_ARG           (0x2088)
+#define STACK_SIZE               (1024 * 1024)
+#define PROCESS_LIMIT_AMOUNT     (64)
+#define TEST_BUFFER_SIZE         (512)
+#define CPUP10S_INDEX            (11)
+#define CPUP1S_INDEX             (12)
+#define WAIT_CPUP_STABLE         (7)
+#define WAIT_CPUP_STABLE_FOR_100 (17)
+#define STATISTIC_TIMES          (11)
+#define PERIOD_10_SEC_IN_US      (10 * 1000 * 1000)
+#define QUOTA_2_SEC_IN_US        (2 * 1000 * 1000)
+#define QUOTA_5_SEC_IN_US        (5 * 1000 * 1000)
+#define QUOTA_6_SEC_IN_US        (6 * 1000 * 1000)
+#define QUOTA_7_SEC_IN_US        (7 * 1000 * 1000)
+#define QUOTA_10_SEC_IN_US       (10 * 1000 * 1000)
+#define QUOTA_PERCENT_20         (20)
+#define QUOTA_PERCENT_50         (50)
+#define QUOTA_PERCENT_60         (60)
+#define QUOTA_PERCENT_70         (70)
+#define QUOTA_PERCENT_100        (100)
+#define HARDWARE_CORE_AMOUNT     (2)
+#define TOLERANCE_ERROR          (5)
+
+int WriteFile(const char *filepath, const char *buf);
+int RmdirLimiterFile(std::string path);
+int RmdirControlFile(std::string path);
+int ReadFile(const char *filepath, char *buf);
+int GetLine(char *buf, int count, int maxLen, char **array);
+int RmdirTest (std::string path);
+extern UINT32 LosCurTaskIDGet();
+
+int ForkChilds(int num, int *pidArray);
+int CreatePlimitGroup(const char* groupName, char *childPidFiles,
+                      unsigned long long periodUs, unsigned long long quotaUs);
+int AddPidIntoSchedLimiters(int num, int *pidArray, const char *procspath);
+int WaitForCpupStable(int expectedCpupPercent);
+double CalcCpupUsage(int childAmount, int *childPidArray, int expectedCpupPercent);
+double CheckCpupUsage(double sumAllChildsCpup, int expectedCpupPercent);
+int TerminateChildProcess(int *childPidArray, int childAmount, int sig);
+double TestCpupInPlimit(int childAmount, const char* groupName,
+                        unsigned long long periodUs, unsigned long long quotaUs, int expectedCpupPercent);
+double TestCpupWithoutLimit(int childAmount, const char* groupName, int expectedCpupPercent);
+
+#if defined(LOSCFG_USER_TEST_SMOKE)
+void ItProcessPlimits001(void);
+void ItProcessPlimits002(void);
+void ItProcessPlimits003(void);
+void ItProcessPlimits004(void);
+void ItProcessPlimits005(void);
+void ItProcessPlimits006(void);
+void ItProcessPlimits007(void);
+void ItProcessPlimits008(void);
+void ItProcessPlimitsMemory001(void);
+void ItProcessPlimitsMemory002(void);
+void ItProcessPlimitsPid001(void);
+void ItProcessPlimitsPid002(void);
+void ItProcessPlimitsPid003(void);
+void ItProcessPlimitsPid004(void);
+void ItProcessPlimitsPid005(void);
+void ItProcessPlimitsPid006(void);
+void ItProcessPlimitsSched001(VOID);
+void ItProcessPlimitsSched002(VOID);
+void ItProcessPlimitsSched003(VOID);
+void ItProcessPlimitsSched004(VOID);
+void ItProcessPlimitsDevices001(void);
+void ItProcessPlimitsDevices002(void);
+void ItProcessPlimitsDevices003(void);
+void ItProcessPlimitsDevices004(void);
+void ItProcessPlimitsDevices005(void);
+void ItProcessPlimitsDevices006(void);
+void ItProcessPlimitsDevices007(void);
+void ItProcessPlimitsDevices008(void);
+void ItProcessPlimitsDevices009(void);
+void ItProcessPlimitsIpc002(void);
+void ItProcessPlimitsIpc003(void);
+void ItProcessPlimitsIpc004(void);
+void ItProcessPlimitsIpc005(void);
+void ItProcessPlimitsIpc006(void);
+void ItProcessPlimitsIpc007(void);
+void ItProcessPlimitsIpc008(void);
+void ItProcessPlimitsIpc009(void);
+void ItProcessPlimitsIpc010(void);
+void ItProcessPlimitsIpc011(void);
+void ItProcessPlimitsIpc012(void);
+void ItProcessPlimitsIpc013(void);
+#endif
+#endif /* _IT_PROCESS_PLIMITS_H */

testsuites/unittest/process/plimits/config.gni

+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//build/lite/config/test.gni")
+import("//kernel/liteos_a/testsuites/unittest/config.gni")
+
+common_include_dirs = [
+  "//third_party/googletest/googletest/include",
+  "../../common/include",
+]
+
+sources_entry = [ "../../common/osTest.cpp" ]
+
+sources_smoke = []
+
+sources_full = []
+
+process_plimits_include_dirs = [ "$TEST_UNITTEST_DIR/process/plimits" ]
+
+process_plimits_sources_entry =
+    [ "$TEST_UNITTEST_DIR/process/plimits/process_plimits_test.cpp" ]
+
+process_plimits_sources_smoke = [
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_001.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_003.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_004.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_005.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_006.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_007.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_008.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_001.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_003.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_004.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_005.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_pid_006.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_memory_001.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_memory_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_sched_001.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_sched_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_sched_003.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_sched_004.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_001.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_003.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_004.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_005.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_006.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_007.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_008.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_devices_009.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_002.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_003.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_004.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_005.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_006.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_007.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_008.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_009.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_010.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_011.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_012.cpp",
+  "$TEST_UNITTEST_DIR/process/plimits/smoke/It_process_plimits_ipc_013.cpp",
+]
+
+process_plimits_sources_full = []
+
+# plimits module
+if (LOSCFG_USER_TEST_PROCESS == true) {
+  common_include_dirs += process_plimits_include_dirs
+  sources_entry += process_plimits_sources_entry
+  sources_smoke += process_plimits_sources_smoke
+  sources_full += process_plimits_sources_full
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_001.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <climits>
+#include <sys/types.h>
+#include <gtest/gtest.h>
+#include <dirent.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits001(void)
+{
+    DIR *dirp = opendir("/proc/plimits");
+    ASSERT_NE(dirp, nullptr);
+    (void)closedir(dirp);
+
+    int ret;
+    std::string path = "/proc/plimits/test1";
+    ret = mkdir(path.c_str(), S_IRWXU); // create directory
+    ASSERT_EQ(ret, 0);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_002.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <cstdlib>
+#include <unistd.h>
+#include <fcntl.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits002(void)
+{
+    (void)rmdir("/proc/plimits");
+    DIR *dirp = opendir("/proc/plimits/");
+    ASSERT_NE(dirp, nullptr);
+    (void)closedir(dirp);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_003.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits003(void)
+{
+    int ret;
+    const char *path = "/proc/text.txt";
+    ret = open(path, O_CREAT);
+    ASSERT_EQ(ret, -1);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_004.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <regex>
+#include <fstream>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits004(void)
+{
+    int ret, matchResult;
+    const size_t BUFFER_SIZE = 512;
+    char buf[BUFFER_SIZE + 1] = {0};
+    std::string path = "/proc/plimits/test";
+    mode_t mode;
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    (void)ReadFile("/proc/plimits/test/plimits.limiters", buf);
+    printf("/proc/plimits/test/plimits.limiters: %s\n", buf);
+    matchResult = strncmp(buf, "pids memory ipc devices sched", 29); /* 29: buf len */
+    ASSERT_EQ(matchResult, 0);
+
+    ret = rmdir("/proc/plimits/test");
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_005.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <cstdlib>
+#include <unistd.h>
+#include <fcntl.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits005(void)
+{
+    int ret;
+    const char *path = "/proc/plimits/text.txt";
+    ret = open(path, O_CREAT);
+    ASSERT_EQ(ret, -1);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_006.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits006(void)
+{
+    int ret;
+    const char *path3 = "/proc/plimits/plimits.procs";
+    ret = remove(path3);
+    ASSERT_EQ(ret, -1);
+
+    const char *path4 = "/proc/plimits/pids.max";
+    ret = remove(path4);
+    ASSERT_EQ(ret, -1);
+
+    const char *path5 = "/proc/plimits/pids.priority";
+    ret = remove(path5);
+    ASSERT_EQ(ret, -1);
+
+    const char *path6 = "/proc/plimits/sched.period";
+    ret = remove(path6);
+    ASSERT_EQ(ret, -1);
+
+    const char *path7 = "/proc/plimits/sched.quota";
+    ret = remove(path7);
+    ASSERT_EQ(ret, -1);
+
+    const char *path8 = "/proc/plimits/sched.stat";
+    ret = remove(path8);
+    ASSERT_EQ(ret, -1);
+
+    const char *path9 = "/proc/plimits/memory.limit";
+    ret = remove(path9);
+    ASSERT_EQ(ret, -1);
+
+    const char *path10 = "/proc/plimits/memory.stat";
+    ret = remove(path10);
+    ASSERT_EQ(ret, -1);
+
+    const char *path11 = "/proc/plimits/ipc.mq_limit";
+    ret = remove(path11);
+    ASSERT_EQ(ret, -1);
+
+    const char *path12 = "/proc/plimits/ipc.shm_limit";
+    ret = remove(path12);
+    ASSERT_EQ(ret, -1);
+
+    const char *path13 = "/proc/plimits/ipc.stat";
+    ret = remove(path13);
+    ASSERT_EQ(ret, -1);
+
+    const char *path14 = "/proc/plimits/devices.list";
+    ret = remove(path14);
+    ASSERT_EQ(ret, -1);
+
+    const char *path15 = "/proc/plimits/devices.deny";
+    ret = remove(path15);
+    ASSERT_EQ(ret, -1);
+
+    const char *path16 = "/proc/plimits/devices.allow";
+    ret = remove(path16);
+    ASSERT_EQ(ret, -1);
+
+    const char *path17 = "/proc/plimits/limiters";
+    ret = remove(path17);
+    ASSERT_EQ(ret, -1);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_007.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdlib>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cstring>
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <climits>
+#include "It_process_plimits.h"
+
+void ItProcessPlimits007(void)
+{
+    mode_t mode = S_IRWXU;
+    std::string path0 = "/proc/plimits/test";
+    std::string path1 = "/proc/plimits/test/subtest";
+    std::string path2 = "/proc/plimits/test/subtest/subtest";
+    std::string path3 = "/proc/plimits/test/subtest/subtest/subtest";
+    std::string path4 = "/proc/plimits/test/subtest/subtest/subtest/subtest";
+    int ret = mkdir(path0.c_str(), mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = mkdir(path1.c_str(), mode);
+    ASSERT_EQ(ret, -1);
+
+    ret = mkdir(path2.c_str(), mode);
+    ASSERT_EQ(ret, -1);
+
+    ret = mkdir(path3.c_str(), mode);
+    ASSERT_EQ(ret, -1);
+
+    ret = mkdir(path4.c_str(), mode);
+    ASSERT_EQ(ret, -1);
+
+    ret = rmdir(path0.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_008.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <cstdlib>
+#include <climits>
+#include <sys/types.h>
+#include <gtest/gtest.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <vector>
+#include <cstring>
+#include "It_process_plimits.h"
+
+static std::string GetFileMode(const char* filePath)
+{
+    const int MODE_COUNT = 11;
+    char fileProperty[MODE_COUNT] = "----------";
+    char fileMode[MODE_COUNT] = "-rwxrwxrwx";
+    struct stat buf;
+    stat(filePath, &buf);
+    unsigned int off = 256;
+    const int LOOP_VARY = 10;
+    for (int i = 1; i < LOOP_VARY; i++) {
+        if (buf.st_mode & (off >> (i - 1))) {
+            fileProperty[i] = fileMode[i];
+        }
+    }
+    return fileProperty;
+}
+
+static int IsFilePropertyR1(const char* filePath)
+{
+    std::string fileOrg = "-r--r--r--";
+    std::string fileProperty = GetFileMode(filePath);
+    return strcmp(fileProperty.c_str(), fileOrg.c_str());
+}
+
+void ItProcessPlimits008(void)
+{
+    std::string filePath = "/proc/plimits/";
+    std::vector<std::string> fileName;
+    fileName.push_back("plimits.procs");
+    fileName.push_back("plimits.limiters");
+    fileName.push_back("pids.max");
+    fileName.push_back("sched.period");
+    fileName.push_back("sched.quota");
+    fileName.push_back("sched.stat");
+    fileName.push_back("memory.failcnt");
+    fileName.push_back("memory.limit");
+    fileName.push_back("memory.peak");
+    fileName.push_back("memory.usage");
+    fileName.push_back("memory.stat");
+
+    for (auto iter = fileName.begin(); iter != fileName.end(); ++iter) {
+        std::string fileFullPath = filePath + *iter;
+        int ret = IsFilePropertyR1(fileFullPath.c_str());
+        ASSERT_EQ(ret, 0);
+    }
+
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_001.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices001(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    char writeBuf[8];
+    std::string test_dev = "/dev/hi_mipi";
+    std::string path = "/proc/plimits/test";
+    std::string procsTestPath = "/proc/plimits/test/plimits.procs";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    (void)memset_s(writeBuf, sizeof(writeBuf), 0, sizeof(writeBuf));
+    ret = sprintf_s(writeBuf, sizeof(writeBuf), "%d", getpid());
+    ASSERT_NE(ret, -1);
+
+    ret = WriteFile(procsTestPath.c_str(), writeBuf);
+    ASSERT_NE(ret, 0);
+
+    fd = open(test_dev.c_str(), O_RDWR|O_CREAT);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_002.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices002(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/hi_mipi";
+    std::string device_a = "a * rwm";
+    std::string device_a_r = "a * r";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+
+    ret = WriteFile(devicesAllowPath.c_str(), device_a_r.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_RDWR|O_CREAT);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_003.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices003(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/hi_mipi";
+    std::string device_a = "a * rwm";
+    std::string device_a_w = "a * w";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_a_w.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_RDWR|O_CREAT);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_004.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices004(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/hi_mipi";
+    std::string device_a = "a * rwm";
+    std::string device_a_m = "a * m";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_a_m.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_CREAT);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_005.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices005(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/mem";
+    std::string device_a = "a * rwm";
+    std::string device_c = "c * rwm";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_c.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_RDWR|O_CREAT);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_006.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices006(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/mem";
+    std::string device_a = "a * rwm";
+    std::string device_c_r = "c * r";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_c_r.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_RDONLY);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_007.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices007(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/mem";
+    std::string device_a = "a * rwm";
+    std::string device_c_w = "c * w";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_c_w.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_WRONLY);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_008.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices008(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/mem";
+    std::string device_a = "a * rwm";
+    std::string device_c_m = "c * rm";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+    std::string devicesAllowPath = "/proc/plimits/test/devices.allow";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+    ret = WriteFile(devicesAllowPath.c_str(), device_c_m.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_CREAT, O_RDONLY);
+    ASSERT_NE(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_devices_009.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsDevices009(void)
+{
+    int fd;
+    int ret;
+    mode_t mode;
+    std::string test_dev = "/dev/hi_mipi";
+    std::string device_a = "a";
+    std::string path = "/proc/plimits/test";
+    std::string devicesDenyPath = "/proc/plimits/test/devices.deny";
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(devicesDenyPath.c_str(), device_a.c_str());
+    ASSERT_NE(ret, -1);
+
+    fd = open(test_dev.c_str(), O_RDONLY|O_CREAT);
+    ASSERT_EQ(fd, -1);
+    (void)close(fd);
+
+    fd = open(test_dev.c_str(), O_WRONLY|O_CREAT);
+    ASSERT_EQ(fd, -1);
+    (void)close(fd);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_002.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc002(void)
+{
+    mode_t mode;
+    int ret;
+    int fd;
+    std::string plimitsRootPath = "/proc/plimits/";
+    std::vector<std::string> ipcConfFileName;
+    ipcConfFileName.push_back("ipc.mq_limit");
+    ipcConfFileName.push_back("ipc.shm_limit");
+    ipcConfFileName.push_back("ipc.stat");
+
+    for (auto iter = ipcConfFileName.begin(); iter != ipcConfFileName.end(); ++iter) {
+        std::string fullPath = plimitsRootPath +  *iter;
+        fd = access(fullPath.c_str(), W_OK | X_OK);
+        ASSERT_EQ(fd, -1);
+        fd = access(fullPath.c_str(), F_OK | R_OK);
+        ASSERT_EQ(fd, 0);
+    }
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_003.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc003(void)
+{
+    mode_t mode;
+    int ret;
+    std::string plimitsPath = "/proc/plimits/test";
+    std::string configFileMqCount = "/proc/plimits/test/ipc.mq_limit";
+    std::string configFileShmSize = "/proc/plimits/test/ipc.shm_limit";
+    std::string configFileStat = "/proc/plimits/test/ipc.stat";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    int fd = access(configFileMqCount.c_str(), F_OK | W_OK | R_OK);
+    ASSERT_EQ(fd, 0);
+
+    fd = access(configFileShmSize.c_str(), F_OK | W_OK | R_OK);
+    ASSERT_EQ(fd, 0);
+
+    fd = access(configFileStat.c_str(), F_OK | R_OK);
+    ASSERT_EQ(fd, 0);
+
+    fd = access(configFileStat.c_str(), W_OK | X_OK);
+    ASSERT_EQ(fd, -1);
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_004.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc004(void)
+{
+    mode_t mode;
+    mode_t chmodMode = 0777;
+    int ret;
+    int fd;
+    std::string rootplimitsPath = "/proc/plimits";
+    std::string subPlimitsPath = "/proc/plimits/test";
+
+    std::vector<std::string> ipcConfFileName;
+    ipcConfFileName.push_back("ipc.mq_limit");
+    ipcConfFileName.push_back("ipc.shm_limit");
+    ipcConfFileName.push_back("ipc.stat");
+
+    ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    for (auto iter = ipcConfFileName.begin(); iter != ipcConfFileName.end(); ++iter) {
+        std::string fullPath = rootplimitsPath + "/" + *iter;
+        ret = chmod(fullPath.c_str(), mode);
+        ASSERT_EQ(ret, -1);
+    }
+
+    for (auto iter = ipcConfFileName.begin(); iter != ipcConfFileName.end(); ++iter) {
+        std::string fullPath = subPlimitsPath + "/" + *iter;
+        ret = chmod(fullPath.c_str(), mode);
+        ASSERT_EQ(ret, -1);
+    }
+
+    ret = rmdir(subPlimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_005.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <mqueue.h>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+static const int g_buffSize = 512;
+static const int g_arryLen = 4;
+static const int MQ_MAX_PER_PROCESS_COUNT = 255;
+static const int MQUEUE_STANDARD_NAME_LENGTH = 50;
+
+void ItProcessPlimitsIpc005(void)
+{
+    INT32 ret;
+    mode_t mode;
+    char buf[g_buffSize] = { 0 };
+    CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = "";
+    mqd_t mqueue[MQ_MAX_PER_PROCESS_COUNT];
+    struct mq_attr attr = { 0 };
+    int index = 0;
+    attr.mq_msgsize = MQUEUE_STANDARD_NAME_LENGTH;
+    attr.mq_maxmsg = 1;
+
+    std::string plimitsPath = "/proc/plimits/test";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = ReadFile("/proc/plimits/test/ipc.mq_limit", buf);
+    ASSERT_STREQ(buf, "1024\n");
+
+    for (index = 0; index < MQ_MAX_PER_PROCESS_COUNT; ++index) {
+        ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_005_%d_%d",
+                         index, LosCurTaskIDGet());
+        ASSERT_NE(ret, -1);
+        mqueue[index] = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr);
+        ASSERT_NE(mqueue[index], (mqd_t)-1);
+    }
+    for (int k = 0; k < MQ_MAX_PER_PROCESS_COUNT; ++k) {
+        ret = mq_close(mqueue[k]);
+        ASSERT_NE(ret, -1);
+        ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_005_%d_%d", k, LosCurTaskIDGet());
+        ASSERT_NE(ret, -1);
+        ret = mq_unlink(mqname);
+        ASSERT_EQ(ret, 0);
+    }
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_006.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <mqueue.h>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+static const int MQUEUE_STANDARD_NAME_LENGTH = 50;
+static const int g_buffSize = 512;
+static const int g_arryLen = 4;
+static const int g_readLen = 254;
+static const int MQ_MAX_LIMIT_COUNT = 10;
+
+static int FreeResource(mqd_t *mqueue, int index, char *mqname)
+{
+    int ret = -1;
+    for (int k = 0; k < index; ++k) {
+        if (snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d",
+                       k, LosCurTaskIDGet()) < 0) {
+            return -1;
+        }
+        ret = mq_close(mqueue[k]);
+        if (ret != 0) {
+            return -2; /* 2: errno */
+        }
+        ret = mq_unlink(mqname);
+        if (ret != 0) {
+            return -3; /* 3: errno */
+        }
+        (void)memset_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, 0, MQUEUE_STANDARD_NAME_LENGTH);
+    }
+    return ret;
+}
+
+// plimits_ipc_07, plimits_ipc_14, plimits_ipc_17
+void ItProcessPlimitsIpc006(void)
+{
+    INT32 ret;
+    mode_t mode;
+    char buf[g_buffSize] = { 0 };
+    char *array[g_arryLen] = { nullptr };
+    int mqSuccessCount = -1, mqFailedCount = -1;
+    CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = "";
+    mqd_t mqueue[g_readLen];
+    std::string subPlimitsPath = "/proc/plimits/test";
+    std::string configFileMqCount = "/proc/plimits/test/ipc.mq_limit";
+    std::string limitMqCount = "10";
+    struct mq_attr attr = { 0 };
+    attr.mq_msgsize = MQUEUE_STANDARD_NAME_LENGTH;
+    attr.mq_maxmsg = 1;
+    int index = 0;
+
+    ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileMqCount.c_str(), limitMqCount.c_str());
+    ASSERT_NE(ret, -1);
+
+    for (index = 0; index < MQ_MAX_LIMIT_COUNT; ++index) {
+        ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d",
+                         index, LosCurTaskIDGet());
+        ASSERT_NE(ret, -1);
+        mqueue[index] = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr);
+        ASSERT_NE(mqueue[index], (mqd_t)-1);
+        (void)memset_s(mqname, sizeof(mqname), 0, sizeof(mqname));
+    }
+    ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d", index, LosCurTaskIDGet());
+    ASSERT_NE(ret, -1);
+    mqueue[index] = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr);
+    ASSERT_EQ(mqueue[index], (mqd_t)-1);
+    (void)memset_s(mqname, sizeof(mqname), 0, sizeof(mqname));
+
+    ret = ReadFile("/proc/plimits/test/ipc.stat", buf);
+    printf("/proc/plimits/test/ipc.stat: %s\n", buf);
+    GetLine(buf, g_arryLen, g_readLen, array);
+    mqSuccessCount = atoi(array[0] + strlen("mq count: "));
+    mqFailedCount = atoi((array[1] + strlen("mq failed count: ")));
+    ASSERT_EQ(mqSuccessCount, MQ_MAX_LIMIT_COUNT);
+    ASSERT_EQ(mqFailedCount, 1);
+    ret = FreeResource(mqueue, index, mqname);
+    ASSERT_EQ(ret, 0);
+
+    ret = rmdir(subPlimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_007.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc007(void)
+{
+    mode_t mode;
+    int ret;
+    std::string plimitsPath = "/proc/plimits/test";
+    std::string configFileMqCount = "/proc/plimits/test/ipc.mq_limit";
+    std::string mqLimitCount = "0123";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount.c_str());
+    ASSERT_NE(ret, -1);
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_008.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc008(void)
+{
+    mode_t mode;
+    int ret;
+    std::string plimitsPath = "/proc/plimits/test";
+    std::string configFileMqCount = "/proc/plimits/test/ipc.mq_limit";
+    std::string mqLimitCount_0 = "111*";
+    std::string mqLimitCount_1 = "123abc";
+    std::string mqLimitCount_2 = "\"123    456\"";
+    std::string mqLimitCount_3 = "\123";
+    std::string mqLimitCount_4 = "10000000000000000000000000000000001";
+    std::string mqLimitCount_5 = "\1\2\3";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_0.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_1.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_2.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_3.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_4.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileMqCount.c_str(), mqLimitCount_5.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_009.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <sys/shm.h>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+static const int g_buffSize = 512;
+static const int g_arryLen = 4;
+static const int g_readLen = 254;
+
+void ItProcessPlimitsIpc009(void)
+{
+    mode_t mode;
+    char buf[g_buffSize] = { 0 };
+    int ret;
+    int shmid;
+    void *shared = nullptr;
+    mode_t acessMode = 0666;
+    std::string subPlimitsPath = "/proc/plimits/test";
+
+    ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = ReadFile("/proc/plimits/test/ipc.shm_limit", buf);
+    ASSERT_STREQ(buf, "104857600\n");
+
+    shmid = shmget(IPC_PRIVATE, PAGE_SIZE, acessMode | IPC_CREAT);
+    ASSERT_NE(shmid, -1);
+    shared = shmat(shmid, nullptr, 0);
+    ASSERT_NE(shared, (void *)-1);
+    ret = shmdt(shared);
+    ASSERT_NE(ret, -1);
+    ret = shmctl(shmid, IPC_RMID, nullptr);
+    ASSERT_NE(ret, -1);
+
+    ret = rmdir(subPlimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_010.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <sys/shm.h>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+static const int g_buffSize = 512;
+static const int g_arryLen = 4;
+static const int g_readLen = 254;
+
+void ItProcessPlimitsIpc010(void)
+{
+    mode_t mode;
+    mode_t shmAcess = 0666;
+    char buf[g_buffSize] = { 0 };
+    char *array[g_arryLen] = { nullptr };
+    int mqSuccessCount;
+    int mqFailedCount;
+    int shmSuccessSize;
+    int shmFailedCount;
+    int shmid = -1;
+    int shmid_1 = -1;
+    int index = 0;
+    int shmCkeckSize = PAGE_SIZE * 9;
+    void *shared = nullptr;
+    size_t shmSize = PAGE_SIZE * 9;
+    std::string subPlimitsPath = "/proc/plimits/test";
+    std::string configFileShmSize = "/proc/plimits/test/ipc.shm_limit";
+    char shmemLimit[6] = "40960";
+
+    int ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmemLimit);
+    ASSERT_NE(ret, -1);
+
+    shmid = shmget(IPC_PRIVATE, shmSize, shmAcess | IPC_CREAT);
+    ASSERT_NE(shmid, -1);
+    shmid_1 = shmget(IPC_PRIVATE, 2 * PAGE_SIZE, shmAcess | IPC_CREAT); /* 2: PAGE num */
+    ASSERT_EQ(shmid_1, -1);
+
+    ret = ReadFile("/proc/plimits/test/ipc.stat", buf);
+    GetLine(buf, g_arryLen, g_readLen, array);
+    mqSuccessCount = atoi(array[index++] + strlen("mq count: "));
+    mqFailedCount = atoi(array[index++] + strlen("mq failed count: "));
+    shmSuccessSize = atoi(array[index++] + strlen("shm size: "));
+    shmFailedCount = atoi(array[index++] + strlen("shm failed count: "));
+
+    ASSERT_EQ(shmSuccessSize, shmCkeckSize);
+    ASSERT_EQ(shmFailedCount, 1);
+
+    shared = shmat(shmid, nullptr, 0);
+    ASSERT_NE(shared, (void *)-1);
+
+    ret = shmdt(shared);
+    ASSERT_NE(ret, -1);
+
+    ret = shmctl(shmid, IPC_RMID, nullptr);
+    ASSERT_NE(ret, -1);
+    shmctl(shmid_1, IPC_RMID, nullptr);
+    shmctl(shmid, IPC_RMID, nullptr);
+
+    ret = rmdir(subPlimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_011.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc011(void)
+{
+    mode_t mode;
+    int ret;
+    char buf[512] = { 0 };
+    std::string plimitsPath = "/proc/plimits/test";
+    std::string configFileShmSize = "/proc/plimits/test/ipc.shm_limit";
+    std::string shmLimitSize = "0123";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize.c_str());
+    ASSERT_NE(ret, -1);
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_012.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsIpc012(void)
+{
+    mode_t mode;
+    int ret;
+    std::string plimitsPath = "/proc/plimits/test";
+    std::string configFileShmSize = "/proc/plimits/test/ipc.shm_limit";
+    std::string shmLimitSize_0 = "111*";
+    std::string shmLimitSize_1 = "123abc";
+    std::string shmLimitSize_2 = "\"123    456\"";
+    std::string shmLimitSize_3 = "\123";
+    std::string shmLimitSize_4 = "10000000000000000000000000000000001";
+    std::string shmLimitSize_5 = "\1\2\3";
+
+    ret = mkdir(plimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_0.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_1.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_2.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_3.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_4.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = WriteFile(configFileShmSize.c_str(), shmLimitSize_5.c_str());
+    ASSERT_EQ(ret, -1);
+
+    ret = rmdir(plimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_ipc_013.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fcntl.h>
+#include <cstdio>
+#include <cstdlib>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <cstring>
+#include <mqueue.h>
+#include <gtest/gtest.h>
+#include "It_process_plimits.h"
+
+static const int MQUEUE_STANDARD_NAME_LENGTH  = 50;
+static const int MQUEUE_STANDARD_NAME_LENGTH_MAX = 102500;
+static const int g_buff = 512;
+static const int MQ_MAX_LIMIT_COUNT = 10;
+
+static int FreeResource(mqd_t *mqueue, int index, char *mqname)
+{
+    int ret = -1;
+    for (int k = 0; k < index; ++k) {
+        ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d",
+                         k, LosCurTaskIDGet());
+        if (ret < 0) {
+            return -1; /* 1: errno */
+        }
+        ret = mq_close(mqueue[k]);
+        if (ret < 0) {
+            return -2; /* 2: errno */
+        }
+        ret = mq_unlink(mqname);
+        if (ret < 0) {
+            return -3; /* 3: errno */
+        }
+        (void)memset_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, 0, MQUEUE_STANDARD_NAME_LENGTH);
+    }
+    return ret ;
+}
+
+void ItProcessPlimitsIpc013(void)
+{
+    INT32 ret;
+    mode_t mode;
+    CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = "";
+    mqd_t mqueue[g_buff];
+    std::string subPlimitsPath = "/proc/plimits/test";
+    std::string configFileMqCount = "/proc/plimits/test/ipc.mq_limit";
+    std::string limitMqCount = "11";
+    struct mq_attr attr = { 0 };
+    attr.mq_msgsize = MQUEUE_STANDARD_NAME_LENGTH;
+    attr.mq_maxmsg = 1;
+    struct mq_attr attr_err = { 0 };
+    attr_err.mq_msgsize = MQUEUE_STANDARD_NAME_LENGTH_MAX;
+    attr_err.mq_maxmsg = 1;
+    int index = 0;
+
+    ret = mkdir(subPlimitsPath.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    ret = WriteFile(configFileMqCount.c_str(), limitMqCount.c_str());
+    ASSERT_NE(ret, -1);
+
+    for (index = 0; index < MQ_MAX_LIMIT_COUNT; ++index) {
+        ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d",
+                         index, LosCurTaskIDGet());
+        ASSERT_NE(ret, -1);
+        mqueue[index] = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr);
+        ASSERT_NE(mqueue[index], (mqd_t)-1);
+        (void)memset_s(mqname, sizeof(mqname), 0, sizeof(mqname));
+    }
+
+    ret = snprintf_s(mqname, sizeof(mqname), MQUEUE_STANDARD_NAME_LENGTH, "/mq_006_%d_%d", index, LosCurTaskIDGet());
+    ASSERT_NE(ret, -1);
+    mqueue[index] = mq_open(mqname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR, &attr_err);
+    ASSERT_EQ(mqueue[index], (mqd_t)-1);
+    (void)memset_s(mqname, sizeof(mqname), 0, sizeof(mqname));
+    ret = FreeResource(mqueue, index, mqname);
+    ASSERT_EQ(ret, 0);
+
+    ret = rmdir(subPlimitsPath.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_memory_001.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "It_process_plimits.h"
+
+static char *testStr1 = nullptr;
+
+static int limitWrite(const char *filepath, const char *buf)
+{
+    int fd = open(filepath, O_WRONLY);
+    size_t ret = write(fd, buf, strlen(buf));
+    close(fd);
+    return ret;
+}
+
+static int CloneOne(void *arg)
+{
+    const unsigned int testSize = 11534336;
+
+    testStr1 = (char *)malloc(testSize);
+    EXPECT_STRNE(testStr1, NULL);
+
+    (void)memset_s(testStr1, testSize, 1, testSize);
+    return 0;
+}
+
+void ItProcessPlimitsMemory001(void)
+{
+    mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
+    int ret, pid, status;
+    std::string path = "/proc/plimits/test";
+    std::string limitTestPath = "/proc/plimits/test/memory.limit";
+    std::string usageTestPath = "/proc/plimits/test/memory.stat";
+    const char *buffer = "10485760";
+    char buf[512];
+    int twoM = 2 * 1024 * 1024;
+
+    char *stack = (char *)mmap(NULL, twoM, PROT_READ | PROT_WRITE,
+                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
+    EXPECT_STRNE(stack, NULL);
+    ret = access(path.c_str(), 0);
+    EXPECT_EQ(ret, -1);
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    EXPECT_EQ(ret, 0);
+    ret = limitWrite(limitTestPath.c_str(), buffer);
+    EXPECT_NE(ret, -1);
+    pid = clone(CloneOne, stack, 0, NULL);
+    ret = waitpid(pid, &status, 0);
+    ASSERT_EQ(ret, pid);
+    ret = WIFEXITED(status);
+    ASSERT_EQ(ret, 0);
+
+    (void)memset_s(buf, sizeof(buf), 0, sizeof(buf));
+    ret = ReadFile(usageTestPath.c_str(), buf);
+    EXPECT_NE(ret, -1);
+    printf("%s: %s\n", usageTestPath.c_str(), buf);
+
+    ret = rmdir(path.c_str());
+    EXPECT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_memory_002.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "It_process_plimits.h"
+
+static char *testStr1 = nullptr;
+
+static int limitWrite(const char *filepath, const char *buf)
+{
+    int fd = open(filepath, O_WRONLY);
+    size_t ret = write(fd, buf, strlen(buf));
+    close(fd);
+    return ret;
+}
+
+static int CloneOne(void *arg)
+{
+    const unsigned int testSize = 1153;
+
+    testStr1 = (char *)malloc(testSize);
+    EXPECT_STRNE(testStr1, NULL);
+
+    (void)memset_s(testStr1, testSize, 1, testSize);
+    free(testStr1);
+    testStr1 = nullptr;
+    return 0;
+}
+void ItProcessPlimitsMemory002(void)
+{
+    mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
+    int ret, pid, status;
+    std::string path = "/proc/plimits/test";
+    std::string limitTestPath = "/proc/plimits/test/memory.limit";
+    std::string usageTestPath = "/proc/plimits/test/memory.stat";
+    char buf[512];
+    const char *buffer = "10485760";
+    int twoM = 2 * 1024 * 1024;
+
+    char *stack = (char *)mmap(NULL, twoM, PROT_READ | PROT_WRITE,
+                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
+    EXPECT_STRNE(stack, NULL);
+    ret = access(path.c_str(), 0);
+    EXPECT_EQ(ret, -1);
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    EXPECT_EQ(ret, 0);
+    ret = limitWrite(limitTestPath.c_str(), buffer);
+    EXPECT_NE(ret, -1);
+    pid = clone(CloneOne, stack, 0, NULL);
+    ret = waitpid(pid, &status, 0);
+    ASSERT_EQ(ret, pid);
+    ret = WIFEXITED(status);
+    ASSERT_NE(ret, 0);
+    int exitCode = WEXITSTATUS(status);
+    ASSERT_EQ(exitCode, 0);
+
+    (void)memset_s(buf, sizeof(buf), 0, sizeof(buf));
+    ret = ReadFile(usageTestPath.c_str(), buf);
+    EXPECT_NE(ret, -1);
+    printf("%s: %s\n", usageTestPath.c_str(), buf);
+
+    ret = rmdir(path.c_str());
+    EXPECT_EQ(ret, 0);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_001.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <cstdlib>
+#include <fcntl.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cstring>
+#include <sys/wait.h>
+#include "It_process_plimits.h"
+
+static int g_pidGroup[10] = {0};
+static int g_index = 0;
+static int g_sleepTime = 5;
+
+static int PidWrite(const char *filepath, char *buf)
+{
+    int fd = open(filepath, O_WRONLY);
+    if (fd <= 0) {
+        return 2; /* 2: errno */
+    }
+    size_t ret = write(fd, buf, strlen(buf));
+    if (ret < 0) {
+        printf("filepath: %s buf: %s, errno=%d\n", filepath, buf, errno);
+    }
+    close(fd);
+    return ret;
+}
+
+static int PidFork(const char *filepath, int index)
+{
+    pid_t fpid = fork();
+    if (fpid == 0) {  // children proc
+        sleep(g_sleepTime);
+        exit(0);
+    } else if (fpid > 0) {
+        g_pidGroup[index] = fpid;
+        return 0;
+    }
+    return -1;
+}
+
+void ItProcessPlimitsPid001(void)
+{
+    mode_t mode = 0;
+    int status;
+    const char *pidMaxPath = "/proc/plimits/test/pids.max";
+    const char *procsPath = "/proc/plimits/test/plimits.procs";
+    std::string path = "/proc/plimits/test";
+    char writeBuf[3];
+    int i = 0;
+    int pidnum = 5;
+    int mainpid = getpid();
+    int ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    (void)memset_s(writeBuf, sizeof(writeBuf), 0, sizeof(writeBuf));
+    ret = sprintf_s(writeBuf, sizeof(writeBuf), "%d", pidnum);
+    ASSERT_NE(ret, -1);
+    ret = PidWrite(pidMaxPath, writeBuf);
+    ASSERT_NE(ret, -1);
+
+    for (i = g_index; i < pidnum; i++) {
+        ret = PidFork(procsPath, i);
+        if (i != (pidnum - 1)) {
+            ASSERT_EQ(ret, 0);
+        } else {
+            ASSERT_EQ(ret, -1);
+        }
+    }
+
+    for (i = 0; i < pidnum - 1; ++i) {
+        pid_t pid = waitpid(g_pidGroup[i], &status, 0);
+        ASSERT_EQ(pid, g_pidGroup[i]);
+        ASSERT_EQ(WEXITSTATUS(status), 0);
+    }
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_002.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <vector>
+#include <cstring>
+#include <sys/wait.h>
+#include "It_process_plimits.h"
+
+static int g_pidGroup[10] = {0};
+static int g_index = 0;
+static int g_sleepTime = 5;
+
+static int PidWrite(const char *filepath, char *buf)
+{
+    int fd = open(filepath, O_WRONLY);
+    size_t ret = write(fd, buf, strlen(buf));
+    close(fd);
+    return ret;
+}
+
+static void PidFork(int index)
+{
+    pid_t fpid = fork();
+    if (fpid == 0) {  // children proc
+        sleep(g_sleepTime);
+        exit(0);
+    } else if (fpid > 0) {
+        g_pidGroup[index] = fpid;
+        return;
+    }
+}
+
+void ItProcessPlimitsPid002(void)
+{
+    mode_t mode = 0;
+    int status;
+    const char *pidMaxPath = "/proc/plimits/test/pids.max";
+    const char *procsPath = "/proc/plimits/test/plimits.procs";
+    std::string path = "/proc/plimits/test";
+    char writeBuf[3];
+    int num = 4;
+    int i = 0;
+    pid_t fpid;
+    int pidnum = 5;
+    int ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    (void)memset_s(writeBuf, sizeof(writeBuf), 0, sizeof(writeBuf));
+    ret = sprintf_s(writeBuf, sizeof(writeBuf), "%d", pidnum);
+    ASSERT_NE(ret, -1);
+    ret = PidWrite(pidMaxPath, writeBuf);
+    ASSERT_NE(ret, -1);
+
+    (void)memset_s(writeBuf, sizeof(writeBuf), 0, sizeof(writeBuf));
+    ret = sprintf_s(writeBuf, sizeof(writeBuf), "%d", getpid());
+    ASSERT_NE(ret, -1);
+    ret = PidWrite(procsPath, writeBuf);
+    ASSERT_NE(ret, -1);
+
+    for (i = g_index; i < num; ++i) {
+        PidFork(i);
+    }
+    g_index = i;
+    fpid = fork();
+    if (fpid == 0) {
+        exit(0);
+    } else if (fpid > 0) {
+        waitpid(fpid, &status, 0);
+    }
+
+    for (i = 0; i < g_index; ++i) {
+        waitpid(g_pidGroup[i], &status, 0);
+        ASSERT_EQ(WEXITSTATUS(status), 0);
+    }
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_003.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <vector>
+#include <cstring>
+#include <sys/wait.h>
+#include "It_process_plimits.h"
+
+static int PidWrite(const char *filepath, char *buf)
+{
+    int fd = open(filepath, O_WRONLY);
+    size_t ret = write(fd, buf, strlen(buf));
+    close(fd);
+    return ret;
+}
+
+void ItProcessPlimitsPid003(void)
+{
+    mode_t mode = 0;
+    int status;
+    struct sched_param param = { 0 };
+    const char *pidMaxPath = "/proc/plimits/test/pids.priority";
+    std::string path = "/proc/plimits/test";
+    char writeBuf[3];
+    int pidnum = 15; /* 15: priority limit */
+    int ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    (void)memset_s(writeBuf, sizeof(writeBuf), 0, sizeof(writeBuf));
+    ret = sprintf_s(writeBuf, sizeof(writeBuf), "%d", pidnum);
+    ASSERT_NE(ret, -1);
+
+    ret = PidWrite(pidMaxPath, writeBuf);
+    ASSERT_NE(ret, -1);
+
+    int currProcessPri = getpriority(PRIO_PROCESS, getpid());
+
+    param.sched_priority = pidnum - 1;
+    ret = sched_setscheduler(getpid(), SCHED_RR, &param);
+    ASSERT_NE(ret, 0);
+
+    ret = setpriority(PRIO_PROCESS, getpid(), param.sched_priority);
+    ASSERT_NE(ret, 0);
+
+    ret = sched_setparam(getpid(), &param);
+    ASSERT_NE(ret, 0);
+
+    param.sched_priority = currProcessPri + 1;
+    ret = sched_setscheduler(getpid(), SCHED_RR, &param);
+    ASSERT_EQ(ret, 0);
+
+    param.sched_priority++;
+    ret = setpriority(PRIO_PROCESS, getpid(), param.sched_priority);
+    ASSERT_EQ(ret, 0);
+
+    param.sched_priority++;
+    ret = sched_setparam(getpid(), &param);
+    ASSERT_EQ(ret, 0);
+
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_004.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsPid004(void)
+{
+    mode_t mode = 0;
+    int ret;
+    const char *res = nullptr;
+    const size_t BUFFER_SIZE = 512;
+    std::string path = "/proc/plimits/test";
+    DIR *dirp = opendir("/proc/plimits");
+    ASSERT_NE(dirp, nullptr);
+    closedir(dirp);
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    char buff[BUFFER_SIZE] = {0};
+    ret = ReadFile("/proc/plimits/pids.max", buff);
+    res = strstr(buff, "64");
+    ASSERT_STRNE(res, nullptr);
+    (void)memset_s(buff, BUFFER_SIZE, 0, BUFFER_SIZE);
+
+    ret = ReadFile("/proc/plimits/test/pids.max", buff);
+    res = strstr(buff, "64");
+    ASSERT_STRNE(res, nullptr);
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_005.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <cstdio>
+#include <cstdlib>
+#include <unistd.h>
+#include <fcntl.h>
+#include <cstring>
+#include <climits>
+#include <sys/types.h>
+#include <gtest/gtest.h>
+#include <dirent.h>
+#include "It_process_plimits.h"
+
+static int g_processOs = 8;
+
+void ItProcessPlimitsPid005(void)
+{
+    mode_t mode = 0;
+    std::string path = "/proc/plimits/test";
+    std::string filepath = "/proc/plimits/test/plimits.procs";
+    int pid = getpid();
+    int vprocessId = 90;
+    std::string missPid = std::to_string(vprocessId);
+    std::string runPid = std::to_string(pid);
+
+    int ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    int fd = open(filepath.c_str(), O_WRONLY);
+    ASSERT_NE(fd, -1);
+
+    for (int i = 1; i <= g_processOs; i++) {
+        std::string fWrite = std::to_string(i);
+        ret = write(fd, fWrite.c_str(), (fWrite.length()));
+        ASSERT_EQ(ret, -1);
+    }
+
+    ret = write(fd, missPid.c_str(), (missPid.length()));
+    ASSERT_EQ(ret, -1);
+
+    ret = write(fd, path.c_str(), (path.length()));
+    ASSERT_EQ(ret, -1);
+
+    ret = write(fd, runPid.c_str(), (runPid.length()));
+    ASSERT_NE(ret, -1);
+    close(fd);
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_pid_006.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <cstdio>
+#include <unistd.h>
+#include <cstdlib>
+#include <fcntl.h>
+#include <cstring>
+#include "It_process_plimits.h"
+
+void ItProcessPlimitsPid006(void)
+{
+    mode_t mode = 0;
+    int ret;
+    const char *res = nullptr;
+    const size_t BUFFER_SIZE = 512;
+    std::string path = "/proc/plimits/test";
+    DIR *dirp = opendir("/proc/plimits");
+    ASSERT_NE(dirp, nullptr);
+    closedir(dirp);
+
+    ret = mkdir(path.c_str(), S_IFDIR | mode);
+    ASSERT_EQ(ret, 0);
+
+    char buff[BUFFER_SIZE] = {0};
+    ret = ReadFile("/proc/plimits/pids.max", buff);
+    res = strstr(buff, "64");
+    ASSERT_STRNE(res, nullptr);
+    (void)memset_s(buff, BUFFER_SIZE, 0, BUFFER_SIZE);
+
+    ret = ReadFile("/proc/plimits/test/pids.max", buff);
+    res = strstr(buff, "64");
+    ASSERT_STRNE(res, nullptr);
+    ret = rmdir(path.c_str());
+    ASSERT_EQ(ret, 0);
+    return;
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_sched_001.cpp

+/*
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_process_plimits.h"
+
+using namespace std;
+
+VOID ItProcessPlimitsSched001(void)
+{
+    const int childAmount = 1;
+    double errorRate = TestCpupInPlimit(childAmount, "testcpup101", PERIOD_10_SEC_IN_US,
+        QUOTA_2_SEC_IN_US, QUOTA_PERCENT_20);
+    ASSERT_GE(errorRate, 0);
+    ASSERT_LE(errorRate, TOLERANCE_ERROR);
+}
+

testsuites/unittest/process/plimits/smoke/It_process_plimits_sched_002.cpp

+/*
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_process_plimits.h"
+
+using namespace std;
+
+VOID ItProcessPlimitsSched002(void)
+{
+    const int childAmount = 1;
+    double errorRate = TestCpupInPlimit(childAmount, "testcpup102", PERIOD_10_SEC_IN_US,
+        QUOTA_6_SEC_IN_US, QUOTA_PERCENT_60);
+    ASSERT_GE(errorRate, 0);
+    ASSERT_LE(errorRate, TOLERANCE_ERROR);
+}
+

testsuites/unittest/process/plimits/smoke/It_process_plimits_sched_003.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_process_plimits.h"
+
+using namespace std;
+
+VOID ItProcessPlimitsSched003(void)
+{
+    const int childAmount = 1;
+    double errorRate = TestCpupInPlimit(childAmount, "testcpup104", PERIOD_10_SEC_IN_US,
+        QUOTA_10_SEC_IN_US, QUOTA_PERCENT_100);
+    ASSERT_GE(errorRate, 0);
+    ASSERT_LE(errorRate, TOLERANCE_ERROR);
+}

testsuites/unittest/process/plimits/smoke/It_process_plimits_sched_004.cpp

+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_process_plimits.h"
+
+using namespace std;
+
+VOID ItProcessPlimitsSched004(void)
+{
+    const int childAmount = 2;
+    double errorRate = TestCpupInPlimit(childAmount, "testcpup105", PERIOD_10_SEC_IN_US,
+        QUOTA_10_SEC_IN_US, QUOTA_PERCENT_100);
+    ASSERT_GE(errorRate, 0);
+    ASSERT_LE(errorRate, TOLERANCE_ERROR);
+}