1*bcaeed49SFangrui Song // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2*bcaeed49SFangrui Song #include <pthread.h>
3*bcaeed49SFangrui Song #include <stdlib.h>
4*bcaeed49SFangrui Song #include <stdio.h>
5*bcaeed49SFangrui Song
6*bcaeed49SFangrui Song struct P {
7*bcaeed49SFangrui Song int x;
8*bcaeed49SFangrui Song int y;
9*bcaeed49SFangrui Song };
10*bcaeed49SFangrui Song
Thread(void * x)11*bcaeed49SFangrui Song void *Thread(void *x) {
12*bcaeed49SFangrui Song static P p = {rand(), rand()};
13*bcaeed49SFangrui Song if (p.x > RAND_MAX || p.y > RAND_MAX)
14*bcaeed49SFangrui Song exit(1);
15*bcaeed49SFangrui Song return 0;
16*bcaeed49SFangrui Song }
17*bcaeed49SFangrui Song
main()18*bcaeed49SFangrui Song int main() {
19*bcaeed49SFangrui Song pthread_t t[2];
20*bcaeed49SFangrui Song pthread_create(&t[0], 0, Thread, 0);
21*bcaeed49SFangrui Song pthread_create(&t[1], 0, Thread, 0);
22*bcaeed49SFangrui Song pthread_join(t[0], 0);
23*bcaeed49SFangrui Song pthread_join(t[1], 0);
24*bcaeed49SFangrui Song fprintf(stderr, "PASS\n");
25*bcaeed49SFangrui Song }
26*bcaeed49SFangrui Song
27*bcaeed49SFangrui Song // CHECK-NOT: WARNING: ThreadSanitizer: data race
28