1 /*
2 * Copyright (c) 2022-2025 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 "multithread_constructor.h"
17
18 #include <pthread.h>
19 #include <signal.h>
20 #include <stdio.h>
21 #include <unistd.h>
22 #include "stdio.h"
23 #include "stdlib.h"
24
25 #define NOINLINE __attribute__((noinline))
26
27 const static unsigned int SLEEP_TIMEOUT = 360000;
28
CreateThread(int * argv)29 static void CreateThread(int *argv)
30 {
31 int threadID = *argv;
32 printf("create MultiThread %d\n", threadID);
33 sleep(3); // 3 : sleep 3 seconds // 3 : three seconds
34 return;
35 }
36
CreateThreadForCrash(const int * argv)37 static void CreateThreadForCrash(const int *argv)
38 {
39 int threadID = *argv;
40 printf("create ThreadForCrash %d\n", threadID);
41 int ret = raise(SIGSEGV);
42 if (ret != 0) {
43 printf("remove failed!");
44 }
45 return;
46 }
47
CreateMultiThreadProcess(int threadNum)48 pid_t CreateMultiThreadProcess(int threadNum)
49 {
50 pid_t pid = fork();
51 if (pid < 0) {
52 printf("Failed to fork new test process.");
53 } else if (pid == 0) {
54 (void)MultiThreadConstructor(threadNum);
55 sleep(3); // 3 : sleep 3 seconds
56 _exit(0);
57 }
58 return pid;
59 }
60
CreateMultiThreadForThreadCrash(int threadNum)61 pid_t CreateMultiThreadForThreadCrash(int threadNum)
62 {
63 pid_t pid = fork();
64 if (pid < 0) {
65 printf("Failed to fork new test process.");
66 } else if (pid == 0) {
67 (void)MultiThreadConstructorForThreadCrash(threadNum);
68 }
69 return pid;
70 }
71
CreateMultiThreadForThreadCrashWithOpen(int threadNum,int openNum)72 pid_t CreateMultiThreadForThreadCrashWithOpen(int threadNum, int openNum)
73 {
74 pid_t pid = fork();
75 if (pid < 0) {
76 printf("Failed to fork new test process.");
77 } else if (pid == 0) {
78 for (int i = 0; i < openNum; ++i) {
79 fopen("/dev/null", "r");
80 }
81 (void)MultiThreadConstructorForThreadCrash(threadNum);
82 }
83 return pid;
84 }
85
MultiThreadConstructor(const int threadNum)86 NOINLINE int MultiThreadConstructor(const int threadNum)
87 {
88 pthread_t t[threadNum];
89 int threadID[threadNum];
90
91 for (int i = 0; i < threadNum; ++i) {
92 threadID[i] = i;
93 pthread_create(&t[i], NULL, (void *(*)(void *))CreateThread, &threadID[i]);
94 pthread_detach(t[i]);
95 }
96 return 0;
97 }
98
MultiThreadConstructorForThreadCrash(const int threadNum)99 NOINLINE int MultiThreadConstructorForThreadCrash(const int threadNum)
100 {
101 pthread_t t[threadNum];
102 int threadID[threadNum];
103 pthread_t threadCrash;
104 int threadIDCrash = threadNum;
105
106 for (int i = 0; i < threadNum; ++i) {
107 threadID[i] = i;
108 pthread_create(&t[i], NULL, (void *(*)(void *))CreateThread, &threadID[i]);
109 pthread_detach(t[i]);
110 }
111 pthread_create(&threadCrash, NULL, (void *(*)(void *))CreateThreadForCrash, &threadIDCrash);
112 pthread_detach(threadCrash);
113
114 sleep(5); // 5 : wait 5s, then exit process
115
116 return 0;
117 }
118
TestFunc70(void)119 NOINLINE int TestFunc70(void)
120 {
121 sleep(SLEEP_TIMEOUT);
122 return 0;
123 }
124
125 #ifndef UNITTEST
main(int argc,char * argv[])126 int main(int argc, char* argv[])
127 {
128 const int argumentLimit = 2;
129 if (argc != argumentLimit) {
130 printf("invalid input argument.\n");
131 return 0;
132 }
133 MultiThreadConstructor(atoi(argv[1]));
134 return 0;
135 }
136 #endif
137