nptl/tst-eintr3.c

   1 /* Copyright (C) 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   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 <signal.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "eintr.c"
  28
  29
  30 static void *
  31 tf (void *arg)
  32 {
  33   pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  34   pthread_mutex_lock (&m);
  35   /* This call must not return.  */
  36   pthread_mutex_lock (&m);
  37
  38   puts ("tf: mutex_lock returned");
  39   exit (1);
  40 }
  41
  42
  43 static int
  44 do_test (void)
  45 {
  46   pthread_t self = pthread_self ();
  47
  48   setup_eintr (SIGUSR1, &self);
  49
  50   pthread_t th;
  51   char buf[100];
  52   int e = pthread_create (&th, NULL, tf, NULL);
  53   if (e != 0)
  54     {
  55       printf ("main: pthread_create failed: %s\n",
  56               strerror_r (e, buf, sizeof (buf)));
  57       exit (1);
  58     }
  59
  60   /* This call must never return.  */
  61   e = pthread_join (th, NULL);
  62
  63   if (e == EINTR)
  64     puts ("pthread_join returned with EINTR");
  65
  66   return 0;
  67 }
  68
  69 #define EXPECTED_SIGNAL SIGALRM
  70 #define TIMEOUT 1
  71 #define TEST_FUNCTION do_test ()
  72 #include "../test-skeleton.c"