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 *Thread2(void *a) { |
7 | barrier_wait(barrier: &barrier); |
8 | *(int*)a = 43; |
9 | return 0; |
10 | } |
11 | |
12 | void *Thread(void *a) { |
13 | static __thread int Var = 42; |
14 | pthread_t t; |
15 | pthread_create(newthread: &t, attr: 0, start_routine: Thread2, arg: &Var); |
16 | Var = 42; |
17 | barrier_wait(barrier: &barrier); |
18 | pthread_join(th: t, thread_return: 0); |
19 | return 0; |
20 | } |
21 | |
22 | int main() { |
23 | barrier_init(barrier: &barrier, count: 2); |
24 | pthread_t t; |
25 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
26 | pthread_join(th: t, thread_return: 0); |
27 | fprintf(stderr, format: "DONE\n" ); |
28 | return 0; |
29 | } |
30 | |
31 | // CHECK: WARNING: ThreadSanitizer: data race |
32 | // CHECK-Linux: Location is TLS of thread T1. |
33 | // CHECK-FreeBSD: Location is TLS of thread T1. |
34 | // CHECK-NetBSD: Location is TLS of thread T1. |
35 | // CHECK-Darwin: Location is heap block of size 4 |
36 | // CHECK: DONE |
37 | |