| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| 2 | #include "test.h" |
| 3 | |
| 4 | // Test for https://github.com/google/sanitizers/issues/602 |
| 5 | |
| 6 | void *Thread(void *a) { |
| 7 | __atomic_store_n((int*)a, 1, __ATOMIC_RELAXED); |
| 8 | return 0; |
| 9 | } |
| 10 | |
| 11 | int main() { |
| 12 | int *a = new int(0); |
| 13 | pthread_t t; |
| 14 | pthread_create(&t, 0, Thread, a); |
| 15 | while (__atomic_load_n(a, __ATOMIC_RELAXED) == 0) |
| 16 | sched_yield(); |
| 17 | delete a; |
| 18 | pthread_join(t, 0); |
| 19 | } |
| 20 | |
| 21 | // CHECK: WARNING: ThreadSanitizer: data race |
| 22 | // CHECK: Write |
| 23 | // CHECK: #0 operator delete |
| 24 | // CHECK: #1 main |
| 25 | |
| 26 | // CHECK: Previous atomic write |
| 27 | // CHECK: #0 __tsan_atomic32_store |
| 28 | // CHECK: #1 Thread |