| 1 | // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
|---|---|
| 2 | #include "test.h" |
| 3 | |
| 4 | int Global; |
| 5 | int WTFGlobal; |
| 6 | |
| 7 | void *Thread(void *x) { |
| 8 | Global = 42; |
| 9 | WTFGlobal = 142; |
| 10 | barrier_wait(barrier: &barrier); |
| 11 | return 0; |
| 12 | } |
| 13 | |
| 14 | int main() { |
| 15 | barrier_init(barrier: &barrier, count: 2); |
| 16 | ANNOTATE_BENIGN_RACE(Global); |
| 17 | WTF_ANNOTATE_BENIGN_RACE(WTFGlobal); |
| 18 | pthread_t t; |
| 19 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
| 20 | barrier_wait(barrier: &barrier); |
| 21 | Global = 43; |
| 22 | WTFGlobal = 143; |
| 23 | pthread_join(th: t, thread_return: 0); |
| 24 | fprintf(stderr, format: "OK\n"); |
| 25 | } |
| 26 | |
| 27 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |
| 28 |