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