kernel_liteos_a/fs/proc/os_adapt/proc_init.c

69 lines
2.4 KiB
C

/*
* 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.
*/
#include "proc_fs.h"
#include "internal.h"
#include "stdio.h"
#include "sys/mount.h"
#include "sys/stat.h"
#include "los_init.h"
#ifdef LOSCFG_FS_PROC
void ProcFsInit(void)
{
int ret;
ret = mkdir(PROCFS_MOUNT_POINT, 0);
if (ret < 0) {
PRINT_ERR("failed to mkdir %s, errno = %d\n", PROCFS_MOUNT_POINT, get_errno());
return;
}
ret = mount(NULL, PROCFS_MOUNT_POINT, "procfs", 0, NULL);
if (ret) {
PRINT_ERR("mount procfs err %d\n", ret);
return;
}
ProcMountsInit();
#if defined(LOSCFG_SHELL_CMD_DEBUG) && defined(LOSCFG_KERNEL_VM)
ProcVmmInit();
#endif
ProcProcessInit();
ProcUptimeInit();
ProcKernelTraceInit();
}
LOS_MODULE_INIT(ProcFsInit, LOS_INIT_LEVEL_KMOD_EXTENDED);
#endif