/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * 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. */ /** * @defgroup los_vm_syscall vm syscall definition * @ingroup kernel */ #ifndef __LOS_VM_SYSCALL_H__ #define __LOS_VM_SYSCALL_H__ #include "sys/shm.h" #include "sys/mman.h" #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ STATIC INLINE BOOL LOS_IsNamedMapping(unsigned long flags) { return ((flags & MAP_ANONYMOUS) == 0); } STATIC INLINE BOOL LOS_IsAnonymousMapping(unsigned long flags) { return ((flags & MAP_ANONYMOUS) == MAP_ANONYMOUS); } VADDR_T LOS_MMap(VADDR_T vaddr, size_t len, unsigned prot, unsigned long flags, int fd, unsigned long pgoff); STATUS_T LOS_UnMMap(VADDR_T addr, size_t size); VOID *LOS_DoBrk(VOID *addr); int LOS_DoMprotect(VADDR_T vaddr, size_t len, unsigned long prot); VADDR_T LOS_DoMremap(VADDR_T oldAddress, size_t oldSize, size_t newSize, int flags, VADDR_T newAddr); VOID LOS_DumpMemRegion(VADDR_T vaddr); INT32 ShmInit(VOID); INT32 ShmDeinit(VOID); INT32 ShmGet(key_t key, size_t size, INT32 shmflg); VOID *ShmAt(INT32 shmid, const VOID *shmaddr, INT32 shmflg); INT32 ShmCtl(INT32 shmid, INT32 cmd, struct shmid_ds *buf); INT32 ShmDt(const VOID *shmaddr); #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif /* __LOS_VM_SYSCALL_H__ */