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