nptl/tst-spin3.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, 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
  24
  25 static int
  26 do_test (void)
  27 {
  28   pthread_spinlock_t s;
  29
  30   if (pthread_spin_init (&s, PTHREAD_PROCESS_PRIVATE) != 0)
  31     {
  32       puts ("spin_init failed");
  33       return 1;
  34     }
  35
  36   if (pthread_spin_lock (&s) != 0)
  37     {
  38       puts ("1st spin_lock failed");
  39       return 1;
  40     }
  41
  42   /* Set an alarm for 1 second.  The wrapper will expect this.  */
  43   alarm (1);
  44
  45   /* This call should never return.  */
  46   pthread_spin_lock (&s);
  47
  48   puts ("2nd spin_lock returned");
  49   return 1;
  50 }
  51
  52 #define EXPECTED_SIGNAL SIGALRM
  53 #define TEST_FUNCTION do_test ()
  54 #include "../test-skeleton.c"