| Dmitry Vyukov | 368d97e | 2013-04-24 11:16:47 +0000 | [diff] [blame^] | 1 | // RUN: %clang_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s |
| 2 | #include <pthread.h> |
| 3 | #include <unistd.h> |
| 4 | |
| 5 | _Atomic(int*) p; |
| 6 | |
| 7 | void *thr(void *a) { |
| 8 | sleep(1); |
| 9 | int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); |
| 10 | *pp = 42; |
| 11 | return 0; |
| 12 | } |
| 13 | |
| 14 | int main() { |
| 15 | pthread_t th; |
| 16 | pthread_create(&th, 0, thr, p); |
| 17 | __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); |
| 18 | pthread_join(th, 0); |
| 19 | } |
| 20 | |
| 21 | // CHECK: data race |
| 22 | // CHECK: Previous write |
| 23 | // CHECK: #0 operator new |
| 24 | // CHECK: Location is heap block |
| 25 | // CHECK: #0 operator new |