1  /* Copyright (C) 2002-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <pthread.h>
      19  #include <signal.h>
      20  #include <stdio.h>
      21  #include <unistd.h>
      22  #include <errno.h>
      23  #include <stdbool.h>
      24  
      25  #ifndef TEST_FUNCTION
      26  static int do_test (void);
      27  # define TEST_FUNCTION do_test ()
      28  #endif
      29  #include "../test-skeleton.c"
      30  
      31  #ifndef ATTR
      32  pthread_mutexattr_t *attr;
      33  # define ATTR attr
      34  #endif
      35  
      36  #ifndef ATTR_NULL
      37  # define ATTR_NULL (ATTR == NULL)
      38  #endif
      39  
      40  static int
      41  do_test (void)
      42  {
      43    pthread_mutex_t m;
      44  
      45    int e = pthread_mutex_init (&m, ATTR);
      46    if (!ATTR_NULL && e == ENOTSUP)
      47      {
      48        puts ("cannot support selected type of mutexes");
      49        e = pthread_mutex_init (&m, NULL);
      50      }
      51    if (e != 0)
      52      {
      53        puts ("mutex_init failed");
      54        return 1;
      55      }
      56  
      57    if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
      58      {
      59        puts ("mutexattr_destroy failed");
      60        return 1;
      61      }
      62  
      63    if (pthread_mutex_lock (&m) != 0)
      64      {
      65        puts ("1st mutex_lock failed");
      66        return 1;
      67      }
      68  
      69    delayed_exit (1);
      70    /* This call should never return.  */
      71    xpthread_mutex_lock (&m);
      72  
      73    puts ("2nd mutex_lock returned");
      74    return 1;
      75  }