nptl/tst-mutex2.c

   1 /* Copyright (C) 2002 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23
  24
  25 static int
  26 do_test (void)
  27 {
  28   pthread_mutex_t m;
  29   pthread_mutexattr_t a;
  30   int e;
  31
  32   if (pthread_mutexattr_init (&a) != 0)
  33     {
  34       puts ("mutexattr_init failed");
  35       return 1;
  36     }
  37
  38   if (pthread_mutexattr_settype (&a, PTHREAD_MUTEX_ERRORCHECK) != 0)
  39     {
  40       puts ("mutexattr_settype failed");
  41       return 1;
  42     }
  43
  44   if (pthread_mutex_init (&m, &a) != 0)
  45     {
  46       puts ("mutex_init failed");
  47       return 1;
  48     }
  49
  50   if (pthread_mutex_lock (&m) != 0)
  51     {
  52       puts ("mutex_lock failed");
  53       return 1;
  54     }
  55
  56   if ((e = pthread_mutex_lock (&m)) == 0)
  57     {
  58       puts ("2nd mutex_lock succeeded");
  59       return 1;
  60     }
  61   else if (e != EDEADLK)
  62     {
  63       puts ("2nd mutex_lock error != EDEADLK");
  64       return 1;
  65     }
  66
  67   if (pthread_mutex_unlock (&m) != 0)
  68     {
  69       puts ("mutex_unlock failed");
  70       return 1;
  71     }
  72
  73   if ((e = pthread_mutex_unlock (&m)) == 0)
  74     {
  75       puts ("2nd mutex_unlock succeeded");
  76       return 1;
  77     }
  78   else if (e != EPERM)
  79     {
  80       puts ("2nd mutex_unlock error != EPERM");
  81       return 1;
  82     }
  83
  84   if (pthread_mutex_destroy (&m) != 0)
  85     {
  86       puts ("mutex_destroy failed");
  87       return 1;
  88     }
  89
  90   if (pthread_mutexattr_destroy (&a) != 0)
  91     {
  92       puts ("mutexattr_destroy failed");
  93       return 1;
  94     }
  95
  96   return 0;
  97 }
  98
  99 #define TEST_FUNCTION do_test ()
 100 #include "../test-skeleton.c"