1 | // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
2 | #include "test.h" |
3 | |
4 | char s[] = "abracadabra" ; |
5 | |
6 | void *Thread0(void *p) { |
7 | puts(s: s); |
8 | barrier_wait(barrier: &barrier); |
9 | return 0; |
10 | } |
11 | |
12 | void *Thread1(void *p) { |
13 | barrier_wait(barrier: &barrier); |
14 | s[3] = 'z'; |
15 | return 0; |
16 | } |
17 | |
18 | int main() { |
19 | barrier_init(barrier: &barrier, count: 2); |
20 | pthread_t th[2]; |
21 | pthread_create(newthread: &th[0], attr: 0, start_routine: Thread0, arg: 0); |
22 | pthread_create(newthread: &th[1], attr: 0, start_routine: Thread1, arg: 0); |
23 | pthread_join(th: th[0], thread_return: 0); |
24 | pthread_join(th: th[1], thread_return: 0); |
25 | fprintf(stderr, format: "DONE" ); |
26 | } |
27 | |
28 | // CHECK: WARNING: ThreadSanitizer: data race |
29 | // CHECK: DONE |
30 | |
31 | |