1/* 2 * Copyright (C) 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#include <dlfcn.h> 16#include <pthread.h> 17 18#include "test.h" 19 20const char* g_libPath = "libdl_multithread_test_dso.so"; 21static bool stop = false; 22 23static void* dl_test() 24{ 25 while (!stop) { 26 void* handle = dlopen(g_libPath, RTLD_GLOBAL); 27 if (!handle) { 28 t_error("dlopen(name=%s, mode=%d) failed: %s\n", g_libPath, RTLD_GLOBAL, dlerror()); 29 } 30 dlclose(handle); 31 } 32 return 0; 33} 34 35int main() 36{ 37 pthread_t thd1; 38 pthread_t thd2; 39 pthread_t thd3; 40 pthread_t thd4; 41 pthread_t thd5; 42 void *res; 43 pthread_create(&thd1, NULL, dl_test, NULL); 44 pthread_create(&thd2, NULL, dl_test, NULL); 45 pthread_create(&thd3, NULL, dl_test, NULL); 46 pthread_create(&thd4, NULL, dl_test, NULL); 47 pthread_create(&thd5, NULL, dl_test, NULL); 48 sleep(3); 49 stop = true; 50 pthread_join(thd1, &res); 51 pthread_join(thd2, &res); 52 pthread_join(thd3, &res); 53 pthread_join(thd4, &res); 54 pthread_join(thd5, &res); 55} 56