| 1 | // RUN: %clangxx_tsan %darwin_min_target_with_tls_support -O1 %s -o %t && \ |
| 2 | // RUN: %deflake %run %t | \ |
| 3 | // RUN: FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| 4 | #include "test.h" |
| 5 | |
| 6 | void *Thread(void *a) { |
| 7 | barrier_wait(barrier: &barrier); |
| 8 | *(int*)a = 43; |
| 9 | return 0; |
| 10 | } |
| 11 | |
| 12 | int main() { |
| 13 | barrier_init(barrier: &barrier, count: 2); |
| 14 | static __thread int Var = 42; |
| 15 | pthread_t t; |
| 16 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: &Var); |
| 17 | Var = 43; |
| 18 | barrier_wait(barrier: &barrier); |
| 19 | pthread_join(th: t, thread_return: 0); |
| 20 | } |
| 21 | |
| 22 | // CHECK: WARNING: ThreadSanitizer: data race |
| 23 | // CHECK-Linux: Location is TLS of main thread. |
| 24 | // CHECK-FreeBSD: Location is TLS of main thread. |
| 25 | // CHECK-NetBSD: Location is TLS of main thread. |
| 26 | // CHECK-Darwin: Location is heap block of size 4 |
| 27 | |