1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2 #include "test.h"
3 
4 void *thr(void *arg) {
5   // Create a sync object on stack, so there is something to free on thread end.
6   volatile int x;
7   __atomic_fetch_add(&x, 1, __ATOMIC_SEQ_CST);
8   barrier_wait(&barrier);
9   return 0;
10 }
11 
12 int main() {
13   const int kThreads = 10;
14   barrier_init(&barrier, kThreads + 1);
15   pthread_t t[kThreads];
16   pthread_attr_t attr;
17   pthread_attr_init(&attr);
18   pthread_attr_setstacksize(&attr, 16 << 20);
19   pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
20   for (int i = 0; i < kThreads; i++)
21     pthread_create(&t[i], &attr, thr, 0);
22   pthread_attr_destroy(&attr);
23   barrier_wait(&barrier);
24   sleep(1);
25   fprintf(stderr, "DONE\n");
26   return 0;
27 }
28 
29 // CHECK: DONE
30 
31