tools/lib/lockdep/tests/ABBCCDDA.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <liblockdep/mutex.h>
   3 #include "common.h"
   4
   5 void main(void)
   6 {
   7         pthread_mutex_t a, b, c, d;
   8
   9         pthread_mutex_init(&a, NULL);
  10         pthread_mutex_init(&b, NULL);
  11         pthread_mutex_init(&c, NULL);
  12         pthread_mutex_init(&d, NULL);
  13
  14         LOCK_UNLOCK_2(a, b);
  15         LOCK_UNLOCK_2(b, c);
  16         LOCK_UNLOCK_2(c, d);
  17         LOCK_UNLOCK_2(d, a);
  18
  19         pthread_mutex_destroy(&d);
  20         pthread_mutex_destroy(&c);
  21         pthread_mutex_destroy(&b);
  22         pthread_mutex_destroy(&a);
  23 }