1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3
4int Global;
5__thread int huge[1024*1024];
6
7void *Thread1(void *x) {
8  barrier_wait(&barrier);
9  Global++;
10  return NULL;
11}
12
13void *Thread2(void *x) {
14  pthread_mutex_t *mtx = new pthread_mutex_t;
15  pthread_mutex_init(mtx, 0);
16  pthread_mutex_lock(mtx);
17  Global--;
18  pthread_mutex_unlock(mtx);
19  pthread_mutex_destroy(mtx);
20  delete mtx;
21  barrier_wait(&barrier);
22  return NULL;
23}
24
25int main() {
26  barrier_init(&barrier, 2);
27  pthread_t t[2];
28  pthread_create(&t[0], NULL, Thread1, NULL);
29  pthread_create(&t[1], NULL, Thread2, NULL);
30  pthread_join(t[0], NULL);
31  pthread_join(t[1], NULL);
32}
33
34// CHECK: WARNING: ThreadSanitizer: data race
35// CHECK: Write of size 4 at {{.*}} by thread T1:
36// CHECK: Previous write of size 4 at {{.*}} by thread T2
37// CHECK:                                      (mutexes: write [[M1:M[0-9]+]]):
38// CHECK: Mutex [[M1]] is already destroyed
39// CHECK-NOT: Mutex {{.*}} created at
40
41