| Alexey Samsonov | f430205 | 2015-04-27 22:08:08 +0000 | [diff] [blame] | 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| Dmitry Vyukov | 3ab6b23 | 2015-01-21 13:50:02 +0000 | [diff] [blame] | 2 | #include "test.h" |
| Dmitry Vyukov | 368d97e | 2013-04-24 11:16:47 +0000 | [diff] [blame] | 3 | |
| 4 | _Atomic(int*) p; |
| 5 | |
| 6 | void *thr(void *a) { |
| Dmitry Vyukov | 3ab6b23 | 2015-01-21 13:50:02 +0000 | [diff] [blame] | 7 | barrier_wait(&barrier); |
| Dmitry Vyukov | 368d97e | 2013-04-24 11:16:47 +0000 | [diff] [blame] | 8 | int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); |
| 9 | *pp = 42; |
| 10 | return 0; |
| 11 | } |
| 12 | |
| 13 | int main() { |
| Dmitry Vyukov | 3ab6b23 | 2015-01-21 13:50:02 +0000 | [diff] [blame] | 14 | barrier_init(&barrier, 2); |
| Dmitry Vyukov | 368d97e | 2013-04-24 11:16:47 +0000 | [diff] [blame] | 15 | pthread_t th; |
| 16 | pthread_create(&th, 0, thr, p); |
| 17 | __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); |
| Dmitry Vyukov | 3ab6b23 | 2015-01-21 13:50:02 +0000 | [diff] [blame] | 18 | barrier_wait(&barrier); |
| Dmitry Vyukov | 368d97e | 2013-04-24 11:16:47 +0000 | [diff] [blame] | 19 | pthread_join(th, 0); |
| 20 | } |
| 21 | |
| 22 | // CHECK: data race |
| 23 | // CHECK: Previous write |
| 24 | // CHECK: #0 operator new |
| 25 | // CHECK: Location is heap block |
| 26 | // CHECK: #0 operator new |