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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;
void *Thread1(void *x) {
obj->F();
obj->Done();
barrier_wait(&barrier);
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
|