1 // RUN: %clangxx_tsan -O1 --std=c++11 %s -o %t && %run %t 2>&1 | FileCheck %s
2 #include "custom_mutex.h"
3 
4 // Test that custom annoations provide normal mutex synchronization
5 // (no race reports for properly protected critical sections).
6 
7 Mutex mu(true, 0);
8 long data;
9 
thr(void * arg)10 void *thr(void *arg) {
11   barrier_wait(&barrier);
12   mu.Lock();
13   data++;
14   mu.Unlock();
15   return 0;
16 }
17 
main()18 int main() {
19   barrier_init(&barrier, 2);
20   pthread_t th;
21   pthread_create(&th, 0, thr, 0);
22   barrier_wait(&barrier);
23   mu.Lock();
24   data++;
25   mu.Unlock();
26   pthread_join(th, 0);
27   fprintf(stderr, "DONE\n");
28   return 0;
29 }
30 
31 // CHECK: DONE
32