1// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2#include <pthread.h>
3#include <stdlib.h>
4#include <stdio.h>
5#include <unistd.h>
6#include <errno.h>
7
8pthread_mutex_t m;
9
10void *thr(void *p) {
11 pthread_mutex_lock(&m);
12 return 0;
13}
14
15int main() {
16 pthread_mutexattr_t a;
17 pthread_mutexattr_init(&a);
18 pthread_mutexattr_setrobust(&a, PTHREAD_MUTEX_ROBUST);
19 pthread_mutex_init(&m, &a);
20 pthread_t th;
21 pthread_create(&th, 0, thr, 0);
22 sleep(1);
23 if (pthread_mutex_lock(&m) != EOWNERDEAD) {
24 fprintf(stderr, "not EOWNERDEAD\n");
25 exit(1);
26 }
27 pthread_join(th, 0);
28 fprintf(stderr, "DONE\n");
29}
30
31// This is a correct code, and tsan must not bark.
32// CHECK-NOT: WARNING: ThreadSanitizer
33// CHECK-NOT: EOWNERDEAD
34// CHECK: DONE
35// CHECK-NOT: WARNING: ThreadSanitizer
36
37