fbtl/tst-mutex6.c

   1 /* Copyright (C) 2002-2013 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 <signal.h>
  21 #include <stdio.h>
  22 #include <unistd.h>
  23 #include <errno.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
  37 static int
  38 do_test (void)
  39 {
  40   pthread_mutex_t m;
  41
  42   int e = pthread_mutex_init (&m, ATTR);
  43   if (ATTR != NULL && e == ENOTSUP)
  44     {
  45       puts ("cannot support selected type of mutexes");
  46       e = pthread_mutex_init (&m, NULL);
  47     }
  48   if (e != 0)
  49     {
  50       puts ("mutex_init failed");
  51       return 1;
  52     }
  53
  54   if (ATTR != NULL && pthread_mutexattr_destroy (ATTR) != 0)
  55     {
  56       puts ("mutexattr_destroy failed");
  57       return 1;
  58     }
  59
  60   if (pthread_mutex_lock (&m) != 0)
  61     {
  62       puts ("1st mutex_lock failed");
  63       return 1;
  64     }
  65
  66   delayed_exit (1);
  67   /* This call should never return.  */
  68   xpthread_mutex_lock (&m);
  69
  70   puts ("2nd mutex_lock returned");
  71   return 1;
  72 }