1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2 // CHECK-NOT: WARNING 3 // CHECK: OK 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <pthread.h> 8 #include <unistd.h> 9 10 pthread_mutex_t m; 11 pthread_cond_t c; 12 int x; 13 14 void *thr1(void *p) { 15 pthread_mutex_lock(&m); 16 pthread_cleanup_push((void(*)(void *arg))pthread_mutex_unlock, &m); 17 while (x == 0) 18 pthread_cond_wait(&c, &m); 19 pthread_cleanup_pop(1); 20 return 0; 21 } 22 23 int main() { 24 pthread_t th; 25 26 pthread_mutex_init(&m, 0); 27 pthread_cond_init(&c, 0); 28 29 pthread_create(&th, 0, thr1, 0); 30 sleep(1); // let it block on cond var 31 pthread_cancel(th); 32 33 pthread_join(th, 0); 34 pthread_mutex_lock(&m); 35 pthread_mutex_unlock(&m); 36 fprintf(stderr, "OK\n"); 37 } 38
