1 // RUN: %clang_tsan -O1 %s -o %t && %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s
2 #include "test.h"
3
4 int Global;
5
Thread1(void * x)6 void *Thread1(void *x) {
7 barrier_wait(&barrier);
8 Global = 42;
9 return NULL;
10 }
11
Thread2(void * x)12 void *Thread2(void *x) {
13 Global = 43;
14 barrier_wait(&barrier);
15 return NULL;
16 }
17
main()18 int main() {
19 barrier_init(&barrier, 2);
20 pthread_t t[2];
21 pthread_create(&t[0], NULL, Thread1, NULL);
22 pthread_create(&t[1], NULL, Thread2, NULL);
23 pthread_join(t[0], NULL);
24 pthread_join(t[1], NULL);
25 fprintf(stderr, "OK\n");
26 return 0;
27 }
28
29 // CHECK-NOT: failed to open suppressions file
30 // CHECK-NOT: WARNING: ThreadSanitizer: data race
31
32