1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2 // CHECK-NOT: WARNING
3 // CHECK: OK
4
5 #include "test.h"
6
7 pthread_mutex_t m;
8 pthread_cond_t c;
9 int x;
10
my_cleanup(void * arg)11 static void my_cleanup(void *arg) {
12 printf("my_cleanup\n");
13 pthread_mutex_unlock((pthread_mutex_t*)arg);
14 }
15
thr1(void * p)16 void *thr1(void *p) {
17 pthread_mutex_lock(&m);
18 pthread_cleanup_push(my_cleanup, &m);
19 barrier_wait(&barrier);
20 while (x == 0)
21 pthread_cond_wait(&c, &m);
22 pthread_cleanup_pop(1);
23 return 0;
24 }
25
main()26 int main() {
27 barrier_init(&barrier, 2);
28
29 pthread_t th;
30
31 pthread_mutex_init(&m, 0);
32 pthread_cond_init(&c, 0);
33
34 pthread_create(&th, 0, thr1, 0);
35 barrier_wait(&barrier);
36 sleep(1); // let it block on cond var
37 pthread_cancel(th);
38
39 pthread_join(th, 0);
40 pthread_mutex_lock(&m);
41 pthread_mutex_unlock(&m);
42 fprintf(stderr, "OK\n");
43 }
44