src/compiler-rt/test/tsan/mutex_lock_destroyed.cc

   1 // RUN: %clangxx_tsan %s -o %t
   2 // RUN: %deflake %run %t | FileCheck %s
   3 // RUN: %deflake %run %t 1 | FileCheck %s
   4
   5 #include <pthread.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8
   9 int main(int argc, char *argv[]) {
  10   pthread_mutex_t *m = (pthread_mutex_t *)malloc(sizeof(pthread_mutex_t));
  11   pthread_mutex_init(m, 0);
  12   pthread_mutex_lock(m);
  13   pthread_mutex_unlock(m);
  14   pthread_mutex_destroy(m);
  15
  16   if (argc > 1 && argv[1][0] == '1')
  17     free(m);
  18
  19   pthread_mutex_lock(m);
  20   // CHECK: WARNING: ThreadSanitizer: use of an invalid mutex (e.g. uninitialized or destroyed)
  21   // CHECK:   #0 pthread_mutex_lock
  22   // CHECK:   #1 main {{.*}}mutex_lock_destroyed.cc:[[@LINE-3]]
  23
  24   return 0;
  25 }