| // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s |
| // CHECK-NOT: WARNING |
| // CHECK: OK |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <pthread.h> |
| #include <unistd.h> |
| |
| pthread_mutex_t m; |
| pthread_cond_t c; |
| int x; |
| |
| void *thr1(void *p) { |
| pthread_mutex_lock(&m); |
| pthread_cleanup_push((void(*)(void *arg))pthread_mutex_unlock, &m); |
| while (x == 0) |
| pthread_cond_wait(&c, &m); |
| pthread_cleanup_pop(1); |
| return 0; |
| } |
| |
| int main() { |
| pthread_t th; |
| |
| pthread_mutex_init(&m, 0); |
| pthread_cond_init(&c, 0); |
| |
| pthread_create(&th, 0, thr1, 0); |
| sleep(1); // let it block on cond var |
| pthread_cancel(th); |
| |
| pthread_join(th, 0); |
| pthread_mutex_lock(&m); |
| pthread_mutex_unlock(&m); |
| fprintf(stderr, "OK\n"); |
| } |