nptl/tst-mutex1.c

   1 /* Copyright (C) 2002-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <errno.h>
  22 #include <stdbool.h>
  23 #include <libc-diag.h>
  24
  25 #ifndef ATTR
  26 # define ATTR NULL
  27 # define ATTR_NULL true
  28 #endif
  29
  30
  31 static int
  32 do_test (void)
  33 {
  34   pthread_mutex_t m;
  35
  36   int e = pthread_mutex_init (&m, ATTR);
  37   if (!ATTR_NULL && e == ENOTSUP)
  38     {
  39       puts ("cannot support selected type of mutexes");
  40       return 0;
  41     }
  42   else if (e != 0)
  43     {
  44       puts ("mutex_init failed");
  45       return 1;
  46     }
  47
  48   /* This deliberately tests supplying a null pointer to a function whose
  49      argument is marked __attribute__ ((nonnull)). */
  50   DIAG_PUSH_NEEDS_COMMENT;
  51   DIAG_IGNORE_NEEDS_COMMENT (5, "-Wnonnull");
  52   if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
  53     {
  54       puts ("mutexattr_destroy failed");
  55       return 1;
  56     }
  57   DIAG_POP_NEEDS_COMMENT;
  58
  59   if (pthread_mutex_lock (&m) != 0)
  60     {
  61       puts ("mutex_lock failed");
  62       return 1;
  63     }
  64
  65   if (pthread_mutex_unlock (&m) != 0)
  66     {
  67       puts ("mutex_unlock failed");
  68       return 1;
  69     }
  70
  71   if (pthread_mutex_destroy (&m) != 0)
  72     {
  73       puts ("mutex_destroy failed");
  74       return 1;
  75     }
  76
  77   return 0;
  78 }
  79
  80 #ifndef TEST_FUNCTION
  81 # define TEST_FUNCTION do_test ()
  82 #endif
  83 #include "../test-skeleton.c"