1 // Simple stress test for of pthread_create. Increase arg to use as benchmark. 2 3 // RUN: %clangxx -O3 -pthread %s -o %t && %run %t 1000 4 5 // Inconsistently fails on Android and can timeout on darwin platforms. 6 // UNSUPPORTED: android, darwin 7 8 #include <pthread.h> 9 #include <stdlib.h> 10 __asan_default_options()11extern "C" const char *__asan_default_options() { 12 // 32bit asan can allocate just a few FakeStacks. 13 return sizeof(void *) < 8 ? "detect_stack_use_after_return=0" : ""; 14 } 15 null_func(void * args)16static void *null_func(void *args) { return nullptr; } 17 main(int argc,char ** argv)18int main(int argc, char **argv) { 19 int n = atoi(argv[1]); 20 for (int i = 0; i < n; ++i) { 21 pthread_t thread; 22 if (pthread_create(&thread, 0, null_func, NULL) == 0) 23 pthread_detach(thread); 24 } 25 return 0; 26 } 27