From 4b667751b629d76b66fc1c0a874f4d31ea0ff5e6 Mon Sep 17 00:00:00 2001
From: caifuzhou <504631861@qq.com>
Date: Tue, 7 Dec 2021 19:03:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=89=A9=E5=B1=95=E4=BA=86=E4=B8=8E=E8=BF=9B?=
 =?UTF-8?q?=E7=A8=8B=E7=AD=96=E7=95=A5=E8=AE=BE=E7=BD=AE=E7=9B=B8=E5=85=B3?=
 =?UTF-8?q?=E7=9A=84=E5=87=BD=E6=95=B0?=
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Signed-off-by: caifuzhou <504631861@qq.com>
---
 libc-test/src/functional/sched_setscheduler.c | 24 ++++++++++++-------
 musl_src.gni                                  |  3 +++
 porting/linux/user/src/sched/sched_getparam.c | 20 ++++++++++++++++
 .../linux/user/src/sched/sched_getscheduler.c | 10 ++++++++
 porting/linux/user/src/sched/sched_setparam.c | 16 +++++++++++++
 .../linux/user/src/sched/sched_setscheduler.c |  6 +----
 6 files changed, 65 insertions(+), 14 deletions(-)
 create mode 100644 porting/linux/user/src/sched/sched_getparam.c
 create mode 100644 porting/linux/user/src/sched/sched_getscheduler.c
 create mode 100644 porting/linux/user/src/sched/sched_setparam.c

diff --git a/libc-test/src/functional/sched_setscheduler.c b/libc-test/src/functional/sched_setscheduler.c
index 3939a293..bcf69b07 100644
--- a/libc-test/src/functional/sched_setscheduler.c
+++ b/libc-test/src/functional/sched_setscheduler.c
@@ -9,18 +9,24 @@
 int main(int argc,char *argv[])
 {
     struct sched_param param;
-    int maxpri;
-
-    maxpri = sched_get_priority_max(SCHED_FIFO);
-    if(maxpri == -1) 
+    int maxpri,minpri;
+    int sched;
+    pid_t pid;
+    
+    sched = SCHED_FIFO;
+    pid = getpid();
+    maxpri = sched_get_priority_max(sched);
+    minpri = sched_get_priority_min(sched);
+    if(maxpri == -1 || minpri == -1) 
     {
-        perror("get priority failed");
+        perror("get maxpriority or minpriority failed");
         return -1;
     }
-    param.sched_priority = maxpri;
-    TEST(sched_setscheduler(getpid(), SCHED_FIFO, &param));
-    TEST(!(sched_getscheduler(getpid()) == SCHED_FIFO));
-    
+    param.sched_priority = 23;//取值范围:minpri~maxpri
+    TEST(sched_setscheduler(pid, sched, &param));
+    TEST(!(sched_getscheduler(pid) == sched));
+    TEST(sched_getparam(pid, &param));
+
     return 0;
 }
 
diff --git a/musl_src.gni b/musl_src.gni
index 27ab81f3..2344063d 100644
--- a/musl_src.gni
+++ b/musl_src.gni
@@ -1838,7 +1838,10 @@ musl_src_porting_file = [
   "src/multibyte/wcsnrtombs.c",
   "src/network/inet_legacy.c",
   "src/passwd/getspnam_r.c",
+  "src/sched/sched_setparam.c",
+  "src/sched/sched_getparam.c",
   "src/sched/sched_setscheduler.c",
+  "src/sched/sched_getscheduler.c",
   "src/thread/arm/clone.s",
   "src/thread/arm/syscall_cp.s",
 ]
diff --git a/porting/linux/user/src/sched/sched_getparam.c b/porting/linux/user/src/sched/sched_getparam.c
new file mode 100644
index 00000000..b31f0089
--- /dev/null
+++ b/porting/linux/user/src/sched/sched_getparam.c
@@ -0,0 +1,20 @@
+#include <sched.h>
+#include <errno.h>
+#include "syscall.h"
+#include <string.h>
+
+int sched_getparam(pid_t pid, struct sched_param *param)
+{
+	int r;
+	if (!param) {
+		r = -EINVAL;
+		goto exit;
+	}
+	memset(param, 0, sizeof(struct sched_param));
+	r = __syscall(SYS_sched_getparam, pid , param);
+	if (r >= 0) {
+		r = 0;
+	}
+exit:
+	return __syscall_ret(r);
+}
diff --git a/porting/linux/user/src/sched/sched_getscheduler.c b/porting/linux/user/src/sched/sched_getscheduler.c
new file mode 100644
index 00000000..1600d2f9
--- /dev/null
+++ b/porting/linux/user/src/sched/sched_getscheduler.c
@@ -0,0 +1,10 @@
+#include <sched.h>
+#include <errno.h>
+#include <string.h>
+#include "syscall.h"
+
+int sched_getscheduler(pid_t pid)
+{
+	int r = __syscall(SYS_sched_getscheduler, pid);
+	return  __syscall_ret(r);
+}
\ No newline at end of file
diff --git a/porting/linux/user/src/sched/sched_setparam.c b/porting/linux/user/src/sched/sched_setparam.c
new file mode 100644
index 00000000..c7530234
--- /dev/null
+++ b/porting/linux/user/src/sched/sched_setparam.c
@@ -0,0 +1,16 @@
+#include <sched.h>
+#include <errno.h>
+#include <string.h>
+#include "syscall.h"
+
+int sched_setparam(pid_t pid, const struct sched_param *param)
+{
+	int r;
+	if (!param) {
+		r = -EINVAL;
+		goto exit;
+	}
+	r = __syscall(SYS_sched_setparam, pid, param);
+exit:
+	return __syscall_ret(r);
+}
\ No newline at end of file
diff --git a/porting/linux/user/src/sched/sched_setscheduler.c b/porting/linux/user/src/sched/sched_setscheduler.c
index 22025e72..1177bc07 100644
--- a/porting/linux/user/src/sched/sched_setscheduler.c
+++ b/porting/linux/user/src/sched/sched_setscheduler.c
@@ -10,11 +10,7 @@ int sched_setscheduler(pid_t pid, int sched, const struct sched_param *param)
 		r = -EINVAL;
 		goto exit;
 	}
-
-	r = __syscall(SYS_sched_setscheduler, pid , sched , param->sched_priority);
-;
+	r = __syscall(SYS_sched_setscheduler, pid , sched , param);
 exit:
-
-
 	return __syscall_ret(r);
 }
\ No newline at end of file
-- 
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