1 | // RUN: echo "race_top:TopFunction" > %t.supp |
2 | // RUN: %clangxx_tsan -O1 %s -o %t |
3 | // RUN: %env_tsan_opts=suppressions='%t.supp' %deflake %run %t 2>&1 | FileCheck %s |
4 | // RUN: rm %t.supp |
5 | #include "test.h" |
6 | |
7 | int Global; |
8 | |
9 | void AnotherFunction(int *p) { |
10 | *p = 1; |
11 | } |
12 | |
13 | void TopFunction(int *p) { |
14 | AnotherFunction(p); |
15 | } |
16 | |
17 | void *Thread(void *x) { |
18 | barrier_wait(barrier: &barrier); |
19 | TopFunction(p: &Global); |
20 | return 0; |
21 | } |
22 | |
23 | int main() { |
24 | barrier_init(barrier: &barrier, count: 2); |
25 | pthread_t t; |
26 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
27 | Global--; |
28 | barrier_wait(barrier: &barrier); |
29 | pthread_join(th: t, thread_return: 0); |
30 | } |
31 | |
32 | // CHECK: WARNING: ThreadSanitizer: data race |
33 | |