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
4int Global;
5
6void *Thread1(void *x) {
7 Global = 42;
8 barrier_wait(barrier: &barrier);
9 return NULL;
10}
11
12void *Thread2(void *x) {
13 barrier_wait(barrier: &barrier);
14 Global = 43;
15 return NULL;
16}
17
18int main() {
19 barrier_init(barrier: &barrier, count: 2);
20 pthread_t t[2];
21 pthread_create(newthread: &t[0], NULL, start_routine: Thread1, NULL);
22 pthread_create(newthread: &t[1], NULL, start_routine: Thread2, NULL);
23 pthread_join(th: t[0], NULL);
24 pthread_join(th: t[1], NULL);
25 fprintf(stderr, format: "OK\n");
26 return 0;
27}
28
29// CHECK-NOT: failed to open suppressions file
30// CHECK-NOT: WARNING: ThreadSanitizer: data race
31
32

source code of compiler-rt/test/tsan/suppressions_race2.cpp