| 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 --check-prefix=CHECK-%os --check-prefix=CHECK |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 2 | #include "test.h" |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3 | |
| 4 | void *Thread(void *a) { |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 5 | barrier_wait(&barrier); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 6 | *(int*)a = 43; |
| 7 | return 0; |
| 8 | } |
| 9 | |
| 10 | int main() { |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 11 | barrier_init(&barrier, 2); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 12 | static __thread int Var = 42; |
| 13 | pthread_t t; |
| 14 | pthread_create(&t, 0, Thread, &Var); |
| 15 | Var = 43; |
| Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 16 | barrier_wait(&barrier); |
| Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 17 | pthread_join(t, 0); |
| 18 | } |
| 19 | |
| 20 | // CHECK: WARNING: ThreadSanitizer: data race |
| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 21 | // CHECK-Linux: Location is TLS of main thread. |
| 22 | // CHECK-FreeBSD: Location is TLS of main thread. |
| 23 | // CHECK-Darwin: Location is heap block of size 4 |