// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s #include "test.h" void *thr(void *arg) { // Create a sync object on stack, so there is something to free on thread end. volatile int x; __atomic_fetch_add(&x, 1, __ATOMIC_SEQ_CST); barrier_wait(&barrier); return 0; } int main() { const int kThreads = 10; barrier_init(&barrier, kThreads + 1); pthread_t t[kThreads]; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setstacksize(&attr, 16 << 20); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); for (int i = 0; i < kThreads; i++) pthread_create(&t[i], &attr, thr, 0); pthread_attr_destroy(&attr); barrier_wait(&barrier); sleep(1); fprintf(stderr, "DONE\n"); return 0; } // CHECK: DONE