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| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| #include <pthread.h>
| #include <stdlib.h>
| #include <stdio.h>
|
| struct Cache {
| int x;
| explicit Cache(int x)
| : x(x) {
| }
| };
|
| void foo(Cache *my) {
| static Cache *c = my ? my : new Cache(rand());
| if (c->x >= RAND_MAX)
| exit(1);
| }
|
| void *Thread(void *x) {
| foo(new Cache(rand()));
| return 0;
| }
|
| int main() {
| pthread_t t[2];
| pthread_create(&t[0], 0, Thread, 0);
| pthread_create(&t[1], 0, Thread, 0);
| pthread_join(t[0], 0);
| pthread_join(t[1], 0);
| fprintf(stderr, "PASS\n");
| }
|
| // CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
