1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2#include <pthread.h>
3#include <stdlib.h>
4#include <stdio.h>
5#include <sched.h>
6
7struct Cache {
8 int x;
9 explicit Cache(int x)
10 : x(x) {
11 }
12};
13
14int g_other;
15
16Cache *CreateCache() {
17 g_other = rand();
18 return new Cache(rand());
19}
20
21void *Thread1(void *x) {
22 static Cache *c = CreateCache();
23 if (c->x == g_other)
24 exit(1);
25 return 0;
26}
27
28int main() {
29 pthread_t t[2];
30 pthread_create(&t[0], 0, Thread1, 0);
31 pthread_create(&t[1], 0, Thread1, 0);
32 pthread_join(t[0], 0);
33 pthread_join(t[1], 0);
34 fprintf(stderr, "PASS\n");
35}
36
37// CHECK-NOT: WARNING: ThreadSanitizer: data race
38