1/*
2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <cstdio>
17#include <cstdlib>
18#include <cstring>
19#include <securec.h>
20#include <unistd.h>
21
22#include "dfx_define.h"
23#include "dfx_log.h"
24#include "process_dumper.h"
25
26#if defined(DEBUG_CRASH_LOCAL_HANDLER)
27#include "dfx_signal_local_handler.h"
28#endif
29
30static const int DUMP_ARG_ONE = 1;
31static const std::string DUMP_STACK_TAG_USAGE = "usage:";
32static const std::string DUMP_STACK_TAG_FAILED = "failed:";
33
34static void PrintCommandHelp()
35{
36    printf("%s\nplease use dumpcatcher\n", DUMP_STACK_TAG_USAGE.c_str());
37}
38
39static bool ParseParameters(int argc, char *argv[], bool &isSignalHdlr)
40{
41    if (argc <= DUMP_ARG_ONE) {
42        return false;
43    }
44    DFXLOGD("[%{public}d]: argc: %{public}d, argv1: %{public}s", __LINE__, argc, argv[1]);
45
46    if (!strcmp("-signalhandler", argv[DUMP_ARG_ONE])) {
47        isSignalHdlr = true;
48        return true;
49    }
50    return false;
51}
52
53int main(int argc, char *argv[])
54{
55    DFXLOGW("Start main function of processdump");
56#if defined(DEBUG_CRASH_LOCAL_HANDLER)
57    DFX_InstallLocalSignalHandler();
58#endif
59    if (signal(SIGCHLD, SIG_IGN) == SIG_ERR) {
60        DFXLOGE("Processdump ignore SIGCHLD failed.");
61    }
62
63    bool isSignalHdlr = false;
64
65    alarm(PROCESSDUMP_TIMEOUT);
66    setsid();
67
68    if (!ParseParameters(argc, argv, isSignalHdlr)) {
69        PrintCommandHelp();
70        return 0;
71    }
72
73    if (isSignalHdlr) {
74        OHOS::HiviewDFX::ProcessDumper::GetInstance().Dump();
75    }
76#ifndef CLANG_COVERAGE
77    _exit(0);
78#endif
79    return 0;
80}
81