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| // RUN: %clangxx_tsan -stdlib=libstdc++ -static-libstdc++ -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| #include <pthread.h>
| #include <stdlib.h>
| #include <stdio.h>
| #include <sched.h>
|
| struct Cache {
| int x;
| explicit Cache(int x)
| : x(x) {
| }
| };
|
| void *AsyncInit(void *p) {
| return new Cache((int)(long)p);
| }
|
| Cache *CreateCache() {
| pthread_t t;
| pthread_create(&t, 0, AsyncInit, (void*)(long)rand());
| void *res;
| pthread_join(t, &res);
| return (Cache*)res;
| }
|
| void *Thread1(void *x) {
| static Cache *c = CreateCache();
| if (c->x >= RAND_MAX)
| exit(1);
| return 0;
| }
|
| int main() {
| pthread_t t[2];
| pthread_create(&t[0], 0, Thread1, 0);
| pthread_create(&t[1], 0, Thread1, 0);
| pthread_join(t[0], 0);
| pthread_join(t[1], 0);
| fprintf(stderr, "PASS\n");
| }
|
| // CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
