118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sys/types.h"
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#include "sys/shm.h"
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#include "errno.h"
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#include "unistd.h"
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#include "los_vm_syscall.h"
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#include "fs_file.h"
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void *SysMmap(void *addr, size_t size, int prot, int flags, int fd, size_t offset)
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{
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/* Process fd convert to system global fd */
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fd = GetAssociatedSystemFd(fd);
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return (void *)LOS_MMap((uintptr_t)addr, size, prot, flags, fd, offset);
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}
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int SysMunmap(void *addr, size_t size)
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{
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return LOS_UnMMap((uintptr_t)addr, size);
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}
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void *SysMremap(void *oldAddr, size_t oldLen, size_t newLen, int flags, void *newAddr)
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{
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return (void *)LOS_DoMremap((vaddr_t)oldAddr, oldLen, newLen, flags, (vaddr_t)newAddr);
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}
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int SysMprotect(void *vaddr, size_t len, int prot)
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{
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return LOS_DoMprotect((uintptr_t)vaddr, len, (unsigned long)prot);
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}
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void *SysBrk(void *addr)
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{
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return LOS_DoBrk(addr);
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}
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#ifdef LOSCFG_KERNEL_SHM
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int SysShmGet(key_t key, size_t size, int shmflg)
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{
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int ret;
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ret = ShmGet(key, size, shmflg);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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void *SysShmAt(int shmid, const void *shmaddr, int shmflg)
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{
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void *ret = NULL;
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ret = ShmAt(shmid, shmaddr, shmflg);
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if (ret == (void *)-1) {
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return (void *)(intptr_t)-get_errno();
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}
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return ret;
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}
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int SysShmCtl(int shmid, int cmd, struct shmid_ds *buf)
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{
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int ret;
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ret = ShmCtl(shmid, cmd, buf);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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int SysShmDt(const void *shmaddr)
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{
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int ret;
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ret = ShmDt(shmaddr);
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if (ret < 0) {
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return -get_errno();
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}
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return ret;
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}
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#endif
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