| 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 | |