1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2*bcaeed49SFangrui Song #include "test.h"
3*bcaeed49SFangrui Song
4*bcaeed49SFangrui Song char s[] = "abracadabra";
5*bcaeed49SFangrui Song
Thread0(void * p)6*bcaeed49SFangrui Song void *Thread0(void *p) {
7*bcaeed49SFangrui Song fputs(s, stdout);
8*bcaeed49SFangrui Song barrier_wait(&barrier);
9*bcaeed49SFangrui Song return 0;
10*bcaeed49SFangrui Song }
11*bcaeed49SFangrui Song
Thread1(void * p)12*bcaeed49SFangrui Song void *Thread1(void *p) {
13*bcaeed49SFangrui Song barrier_wait(&barrier);
14*bcaeed49SFangrui Song s[3] = 'z';
15*bcaeed49SFangrui Song return 0;
16*bcaeed49SFangrui Song }
17*bcaeed49SFangrui Song
main()18*bcaeed49SFangrui Song int main() {
19*bcaeed49SFangrui Song barrier_init(&barrier, 2);
20*bcaeed49SFangrui Song pthread_t th[2];
21*bcaeed49SFangrui Song pthread_create(&th[0], 0, Thread0, 0);
22*bcaeed49SFangrui Song pthread_create(&th[1], 0, Thread1, 0);
23*bcaeed49SFangrui Song pthread_join(th[0], 0);
24*bcaeed49SFangrui Song pthread_join(th[1], 0);
25*bcaeed49SFangrui Song fprintf(stderr, "DONE");
26*bcaeed49SFangrui Song }
27*bcaeed49SFangrui Song
28*bcaeed49SFangrui Song // CHECK: WARNING: ThreadSanitizer: data race
29*bcaeed49SFangrui Song // CHECK: DONE
30