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| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdio.h>
struct A {
A() {
pthread_mutex_init(&m, 0);
pthread_cond_init(&c, 0);
signaled = false;
}
virtual void F() {
}
void Done() {
pthread_mutex_lock(&m);
signaled = true;
pthread_cond_signal(&c);
pthread_mutex_unlock(&m);
}
virtual ~A() {
}
pthread_mutex_t m;
pthread_cond_t c;
bool signaled;
};
struct B : A {
virtual void F() {
}
virtual ~B() {
pthread_mutex_lock(&m);
while (!signaled)
pthread_cond_wait(&c, &m);
pthread_mutex_unlock(&m);
}
};
static A *obj = new B;
void *Thread1(void *x) {
obj->F();
obj->Done();
return NULL;
}
void *Thread2(void *x) {
delete obj;
return NULL;
}
int main() {
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);
fprintf(stderr, "PASS\n");
}
// CHECK: PASS
// CHECK-NOT: WARNING: ThreadSanitizer: data race
|