| // 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 |