1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 *    conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 *    of conditions and the following disclaimer in the documentation and/or other materials
13 *    provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 *    to endorse or promote products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "stdio.h"
33#include "stdlib.h"
34#include "los_signal.h"
35#include "los_printf.h"
36#include "los_task_pri.h"
37#include "los_process_pri.h"
38
39#ifdef LOSCFG_BASE_CORE_HILOG
40#include "log.h"
41#else
42#define HILOG_INFO(type, fmt, ...)    PRINT_INFO(fmt, __VA_ARGS__)
43#define HILOG_ERROR(type, fmt, ...)   PRINT_ERR(fmt, __VA_ARGS__)
44#endif
45
46#ifdef LOSCFG_SHELL
47#include "shcmd.h"
48#include "shell.h"
49#endif
50
51LITE_OS_SEC_TEXT_MINOR VOID OsPrintKillUsage(VOID)
52{
53    PRINTK("\nkill: usage: kill [sigspec] [pid]\n");
54}
55
56LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdKill(INT32 argc, const CHAR **argv)
57{
58#define  ARG_NUM 2
59    INT32 sigNo = 0;
60    INT32 pidNo = 0;
61    INT32 ret;
62    CHAR *endPtr = NULL;
63
64    if (argc == ARG_NUM) {
65        sigNo = strtoul(argv[0], &endPtr, 0);
66        if (*endPtr != 0) {
67            PRINT_ERR("\nsigNo can't access %s.\n", argv[0]);
68            goto ERROR;
69        }
70        endPtr = NULL;
71        pidNo = strtoul(argv[1], &endPtr, 0);
72        if (*endPtr != 0) {
73            PRINT_ERR("\npidNo can't access %s.\n", argv[1]);
74            goto ERROR;
75        }
76
77        ret = OsKill(pidNo, abs(sigNo), OS_USER_KILL_PERMISSION);
78        HILOG_INFO(LOG_CORE, "Send signal(%d) to pidNo = %d!\n", abs(sigNo), pidNo);
79        if (ret == -1) {
80            HILOG_ERROR(LOG_CORE, "Kill fail ret = %d! Operation not permitted\n", ret);
81            goto ERROR;
82        }
83        if (ret < 0) {
84            PRINT_ERR("\n Kill fail ret = %d! process not exist or sigNo is invalid\n", ret);
85            goto ERROR;
86        }
87    } else {
88        PRINT_ERR("\nPara number errno!\n");
89        goto ERROR;
90    }
91    return 0;
92ERROR:
93    OsPrintKillUsage();
94    return 0;
95}
96
97#ifdef LOSCFG_SHELL
98SHELLCMD_ENTRY(kill_shellcmd, CMD_TYPE_EX, "kill", 2, (CmdCallBackFunc)OsShellCmdKill);
99#endif
100
101