1// RUN: echo "race_top:TopFunction" > %t.supp
2// RUN: %clangxx_tsan -O1 %s -o %t
3// RUN: %env_tsan_opts=suppressions='%t.supp' %deflake %run %t 2>&1 | FileCheck %s
4// RUN: rm %t.supp
5#include "test.h"
6
7int Global;
8
9void AnotherFunction(int *p) {
10 *p = 1;
11}
12
13void TopFunction(int *p) {
14 AnotherFunction(p);
15}
16
17void *Thread(void *x) {
18 barrier_wait(&barrier);
19 TopFunction(&Global);
20 return 0;
21}
22
23int main() {
24 barrier_init(&barrier, 2);
25 pthread_t t;
26 pthread_create(&t, 0, Thread, 0);
27 Global--;
28 barrier_wait(&barrier);
29 pthread_join(t, 0);
30}
31
32// CHECK: WARNING: ThreadSanitizer: data race
33