1 | // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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2 | #include "test.h" |
3 | |
4 | int Global; |
5 | |
6 | void *Thread1(void *x) { |
7 | barrier_wait(barrier: &barrier); |
8 | Global = 42; |
9 | return x; |
10 | } |
11 | |
12 | int main() { |
13 | barrier_init(barrier: &barrier, count: 2); |
14 | pthread_t t; |
15 | pthread_create(newthread: &t, attr: 0, start_routine: Thread1, arg: 0); |
16 | Global = 43; |
17 | barrier_wait(barrier: &barrier); |
18 | pthread_join(th: t, thread_return: 0); |
19 | return Global; |
20 | } |
21 | |
22 | // CHECK: WARNING: ThreadSanitizer: data race |
23 |