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 <stdio.h>
      20  #include <errno.h>
      21  #include <stdbool.h>
      22  #include <libc-diag.h>
      23  
      24  #ifndef ATTR
      25  # define ATTR NULL
      26  # define ATTR_NULL true
      27  #endif
      28  
      29  
      30  static int
      31  do_test (void)
      32  {
      33    pthread_mutex_t m;
      34  
      35    int e = pthread_mutex_init (&m, ATTR);
      36    if (!ATTR_NULL && e == ENOTSUP)
      37      {
      38        puts ("cannot support selected type of mutexes");
      39        return 0;
      40      }
      41    else if (e != 0)
      42      {
      43        puts ("mutex_init failed");
      44        return 1;
      45      }
      46  
      47    /* This deliberately tests supplying a null pointer to a function whose
      48       argument is marked __attribute__ ((nonnull)). */
      49    DIAG_PUSH_NEEDS_COMMENT;
      50    DIAG_IGNORE_NEEDS_COMMENT (5, "-Wnonnull");
      51    if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
      52      {
      53        puts ("mutexattr_destroy failed");
      54        return 1;
      55      }
      56    DIAG_POP_NEEDS_COMMENT;
      57  
      58    if (pthread_mutex_lock (&m) != 0)
      59      {
      60        puts ("mutex_lock failed");
      61        return 1;
      62      }
      63  
      64    if (pthread_mutex_unlock (&m) != 0)
      65      {
      66        puts ("mutex_unlock failed");
      67        return 1;
      68      }
      69  
      70    if (pthread_mutex_destroy (&m) != 0)
      71      {
      72        puts ("mutex_destroy failed");
      73        return 1;
      74      }
      75  
      76    return 0;
      77  }
      78  
      79  #ifndef TEST_FUNCTION
      80  # define TEST_FUNCTION do_test ()
      81  #endif
      82  #include "../test-skeleton.c"