nptl/tst-mutex6.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 <pthread.h>
  21 #include <signal.h>
  22 #include <stdio.h>
  23 #include <unistd.h>
  24
  25
  26 static int
  27 do_test (void)
  28 {
  29   pthread_mutex_t m;
  30
  31   if (pthread_mutex_init (&m, NULL) != 0)
  32     {
  33       puts ("mutex_init failed");
  34       return 1;
  35     }
  36
  37   if (pthread_mutex_lock (&m) != 0)
  38     {
  39       puts ("1st mutex_lock failed");
  40       return 1;
  41     }
  42
  43   /* Set an alarm for 1 second.  The wrapper will expect this.  */
  44   alarm (1);
  45
  46   /* This call should never return.  */
  47   pthread_mutex_lock (&m);
  48
  49   puts ("2nd mutex_lock returned");
  50   return 1;
  51 }
  52
  53 #define EXPECTED_SIGNAL SIGALRM
  54 #define TEST_FUNCTION do_test ()
  55 #include "../test-skeleton.c"