| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include "test.h" |
| |
| char s[] = "abracadabra"; |
| |
| void *Thread0(void *p) { |
| fputs(s, stdout); |
| barrier_wait(&barrier); |
| return 0; |
| } |
| |
| void *Thread1(void *p) { |
| barrier_wait(&barrier); |
| s[3] = 'z'; |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| pthread_t th[2]; |
| pthread_create(&th[0], 0, Thread0, 0); |
| pthread_create(&th[1], 0, Thread1, 0); |
| pthread_join(th[0], 0); |
| pthread_join(th[1], 0); |
| fprintf(stderr, "DONE"); |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK: DONE |
