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| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
| #include "test.h"
| #include <semaphore.h>
|
| struct A {
| A() {
| sem_init(&sem_, 0, 0);
| }
| virtual void F() {
| }
| void Done() {
| sem_post(&sem_);
| }
| virtual ~A() {
| sem_wait(&sem_);
| sem_destroy(&sem_);
| }
| sem_t sem_;
| };
|
| struct B : A {
| virtual void F() {
| }
| virtual ~B() { }
| };
|
| static A *obj = new B;
| static void (A::*fn)() = &A::F;
|
| void *Thread1(void *x) {
| (obj->*fn)();
| barrier_wait(&barrier);
| obj->Done();
| return NULL;
| }
|
| void *Thread2(void *x) {
| barrier_wait(&barrier);
| delete obj;
| return NULL;
| }
|
| int main() {
| barrier_init(&barrier, 2);
| pthread_t t[2];
| pthread_create(&t[0], NULL, Thread1, NULL);
| pthread_create(&t[1], NULL, Thread2, NULL);
| pthread_join(t[0], NULL);
| pthread_join(t[1], NULL);
| }
|
| // CHECK: WARNING: ThreadSanitizer: data race on vptr
|
|