| // 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(); |
| 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 |