| 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 | |
| 8 | pthread_mutex_t m; |
| 9 | |
| 10 | void *thr(void *p) { |
| 11 | pthread_mutex_lock(mutex: &m); |
| 12 | return 0; |
| 13 | } |
| 14 | |
| 15 | int main() { |
| 16 | pthread_mutexattr_t a; |
| 17 | pthread_mutexattr_init(attr: &a); |
| 18 | pthread_mutexattr_setrobust(attr: &a, robustness: PTHREAD_MUTEX_ROBUST); |
| 19 | pthread_mutex_init(mutex: &m, mutexattr: &a); |
| 20 | pthread_t th; |
| 21 | pthread_create(newthread: &th, attr: 0, start_routine: thr, arg: 0); |
| 22 | sleep(seconds: 1); |
| 23 | if (pthread_mutex_lock(mutex: &m) != EOWNERDEAD) { |
| 24 | fprintf(stderr, format: "not EOWNERDEAD\n"); |
| 25 | exit(status: 1); |
| 26 | } |
| 27 | pthread_join(th: th, thread_return: 0); |
| 28 | fprintf(stderr, format: "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 |