Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 1 | // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
| 2 | #include <pthread.h> |
| 3 | #include <semaphore.h> |
| 4 | #include <stdio.h> |
| 5 | |
| 6 | struct A { |
| 7 | A() { |
| 8 | sem_init(&sem_, 0, 0); |
| 9 | } |
| 10 | virtual void F() { |
| 11 | } |
| 12 | void Done() { |
| 13 | sem_post(&sem_); |
| 14 | } |
| 15 | virtual ~A() { |
| 16 | } |
| 17 | sem_t sem_; |
| 18 | }; |
| 19 | |
| 20 | struct B : A { |
| 21 | virtual void F() { |
| 22 | } |
| 23 | virtual ~B() { |
| 24 | sem_wait(&sem_); |
| 25 | sem_destroy(&sem_); |
| 26 | } |
| 27 | }; |
| 28 | |
| 29 | static A *obj = new B; |
| 30 | |
| 31 | void *Thread1(void *x) { |
| 32 | obj->F(); |
| 33 | obj->Done(); |
| 34 | return NULL; |
| 35 | } |
| 36 | |
| 37 | void *Thread2(void *x) { |
| 38 | delete obj; |
| 39 | return NULL; |
| 40 | } |
| 41 | |
| 42 | int main() { |
| 43 | pthread_t t[2]; |
| 44 | pthread_create(&t[0], NULL, Thread1, NULL); |
| 45 | pthread_create(&t[1], NULL, Thread2, NULL); |
| 46 | pthread_join(t[0], NULL); |
| 47 | pthread_join(t[1], NULL); |
| 48 | fprintf(stderr, "PASS\n"); |
| 49 | } |
| 50 | // CHECK: PASS |
| 51 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |