race_on_mutex2.c revision 6a211c5814e25d6745a5058cc0e499e5235d3821 
1// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include <pthread.h>
3#include <stdio.h>
4#include <stddef.h>
5#include <unistd.h>
6
7void *Thread(void *x) {
8  pthread_mutex_lock((pthread_mutex_t*)x);
9  pthread_mutex_unlock((pthread_mutex_t*)x);
10  return 0;
11}
12
13int main() {
14  pthread_mutex_t Mtx;
15  pthread_mutex_init(&Mtx, 0);
16  pthread_t t;
17  pthread_create(&t, 0, Thread, &Mtx);
18  sleep(1);
19  pthread_mutex_destroy(&Mtx);
20  pthread_join(t, 0);
21  return 0;
22}
23
24// CHECK:      WARNING: ThreadSanitizer: data race
25