| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| #include "test.h" |
| |
| void *Thread(void *a) { |
| barrier_wait(&barrier); |
| *(int*)a = 43; |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| static __thread int Var = 42; |
| pthread_t t; |
| pthread_create(&t, 0, Thread, &Var); |
| Var = 43; |
| barrier_wait(&barrier); |
| pthread_join(t, 0); |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK-Linux: Location is TLS of main thread. |
| // CHECK-FreeBSD: Location is TLS of main thread. |
| // CHECK-NetBSD: Location is TLS of main thread. |
| // CHECK-Darwin: Location is heap block of size 4 |