nptl/tst-eintr3.c

   1 /* Copyright (C) 2003-2015 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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <signal.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "eintr.c"
  27
  28
  29 static void *
  30 tf (void *arg)
  31 {
  32   pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  33   pthread_mutex_lock (&m);
  34   /* This call must not return.  */
  35   pthread_mutex_lock (&m);
  36
  37   puts ("tf: mutex_lock returned");
  38   exit (1);
  39 }
  40
  41
  42 static int
  43 do_test (void)
  44 {
  45   pthread_t self = pthread_self ();
  46
  47   setup_eintr (SIGUSR1, &self);
  48
  49   pthread_t th;
  50   char buf[100];
  51   int e = pthread_create (&th, NULL, tf, NULL);
  52   if (e != 0)
  53     {
  54       printf ("main: pthread_create failed: %s\n",
  55               strerror_r (e, buf, sizeof (buf)));
  56       exit (1);
  57     }
  58
  59   /* This call must never return.  */
  60   e = pthread_join (th, NULL);
  61
  62   if (e == EINTR)
  63     puts ("pthread_join returned with EINTR");
  64
  65   return 0;
  66 }
  67
  68 #define EXPECTED_SIGNAL SIGALRM
  69 #define TIMEOUT 1
  70 #define TEST_FUNCTION do_test ()
  71 #include "../test-skeleton.c"