kernel_liteos_a1/kernel/base/misc/kill_shellcmd.c

94 lines
3.2 KiB
C

/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, 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 "stdio.h"
#include "stdlib.h"
#include "los_signal.h"
#include "los_printf.h"
#include "los_task_pri.h"
#include "los_process_pri.h"
#include "log.h"
#ifdef LOSCFG_SHELL
#include "shcmd.h"
#include "shell.h"
#endif
LITE_OS_SEC_TEXT_MINOR VOID OsPrintKillUsage(VOID)
{
PRINTK("\nkill: usage: kill [sigspec] [pid]\n");
}
LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdKill(INT32 argc, const CHAR **argv)
{
#define ARG_NUM 2
INT32 sigNo = 0;
INT32 pidNo = 0;
INT32 ret;
CHAR *endPtr = NULL;
if (argc == ARG_NUM) {
sigNo = strtoul(argv[0], &endPtr, 0);
if (*endPtr != 0) {
PRINTK("\nsigNo can't access %s.\n", argv[0]);
goto ERROR;
}
endPtr = NULL;
pidNo = strtoul(argv[1], &endPtr, 0);
if (*endPtr != 0) {
PRINTK("\npidNo can't access %s.\n", argv[1]);
goto ERROR;
}
ret = OsKill(pidNo, abs(sigNo), OS_USER_KILL_PERMISSION);
HILOG_INFO(LOG_CORE, "Send signal(%d) to pidNo = %d!\n", abs(sigNo), pidNo);
if (ret == -1) {
HILOG_ERROR(LOG_CORE, "Kill fail ret = %d! Operation not permitted\n", ret);
goto ERROR;
}
if (ret < 0) {
PRINTK("\n Kill fail ret = %d! process not exist or sigNo is invalid\n", ret);
goto ERROR;
}
} else {
PRINTK("\nPara number errno!\n");
goto ERROR;
}
return 0;
ERROR:
OsPrintKillUsage();
return 0;
}
#ifdef LOSCFG_SHELL
SHELLCMD_ENTRY(kill_shellcmd, CMD_TYPE_EX, "kill", 2, (CmdCallBackFunc)OsShellCmdKill);
#endif