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> |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 3 | #include <stdio.h> |
| 4 | |
| 5 | struct A { |
| 6 | A() { |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 7 | pthread_mutex_init(&m, 0); |
| 8 | pthread_cond_init(&c, 0); |
| 9 | signaled = false; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 10 | } |
| 11 | virtual void F() { |
| 12 | } |
| 13 | void Done() { |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 14 | pthread_mutex_lock(&m); |
| 15 | signaled = true; |
| 16 | pthread_cond_signal(&c); |
| 17 | pthread_mutex_unlock(&m); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 18 | } |
| 19 | virtual ~A() { |
| 20 | } |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 21 | pthread_mutex_t m; |
| 22 | pthread_cond_t c; |
| 23 | bool signaled; |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 24 | }; |
| 25 | |
| 26 | struct B : A { |
| 27 | virtual void F() { |
| 28 | } |
| 29 | virtual ~B() { |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 30 | pthread_mutex_lock(&m); |
| 31 | while (!signaled) |
| 32 | pthread_cond_wait(&c, &m); |
| 33 | pthread_mutex_unlock(&m); |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 34 | } |
| 35 | }; |
| 36 | |
| 37 | static A *obj = new B; |
| 38 | |
| 39 | void *Thread1(void *x) { |
| 40 | obj->F(); |
| 41 | obj->Done(); |
| 42 | return NULL; |
| 43 | } |
| 44 | |
| 45 | void *Thread2(void *x) { |
| 46 | delete obj; |
| 47 | return NULL; |
| 48 | } |
| 49 | |
| 50 | int main() { |
| 51 | pthread_t t[2]; |
| 52 | pthread_create(&t[0], NULL, Thread1, NULL); |
| 53 | pthread_create(&t[1], NULL, Thread2, NULL); |
| 54 | pthread_join(t[0], NULL); |
| 55 | pthread_join(t[1], NULL); |
| 56 | fprintf(stderr, "PASS\n"); |
| 57 | } |
| 58 | // CHECK: PASS |
| 59 | // CHECK-NOT: WARNING: ThreadSanitizer: data race |