1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s |
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2 | #include "test.h" |
3 | |
4 | int Global; |
5 | |
6 | void *Thread1(void *x) { |
7 | barrier_wait(barrier: &barrier); |
8 | Global++; |
9 | return NULL; |
10 | } |
11 | |
12 | void *Thread2(void *x) { |
13 | Global--; |
14 | barrier_wait(barrier: &barrier); |
15 | return NULL; |
16 | } |
17 | |
18 | int 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 | return 0; |
26 | } |
27 | |
28 | // CHECK: WARNING: ThreadSanitizer: data race |
29 | // CHECK: SUMMARY: ThreadSanitizer: data race{{.*}}Thread |
30 |