nptl/tst-eintr3.c

   1 /* Copyright (C) 2003-2019 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 static int do_test (void);
  27
  28 #define TEST_FUNCTION do_test ()
  29 #include "../test-skeleton.c"
  30
  31 #include "eintr.c"
  32
  33
  34 static void *
  35 tf (void *arg)
  36 {
  37   pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  38   pthread_mutex_lock (&m);
  39   /* This call must not return.  */
  40   pthread_mutex_lock (&m);
  41
  42   puts ("tf: mutex_lock returned");
  43   exit (1);
  44 }
  45
  46
  47 static int
  48 do_test (void)
  49 {
  50   pthread_t self = pthread_self ();
  51
  52   setup_eintr (SIGUSR1, &self);
  53
  54   pthread_t th;
  55   char buf[100];
  56   int e = pthread_create (&th, NULL, tf, NULL);
  57   if (e != 0)
  58     {
  59       printf ("main: pthread_create failed: %s\n",
  60               strerror_r (e, buf, sizeof (buf)));
  61       exit (1);
  62     }
  63
  64   delayed_exit (1);
  65   /* This call must never return.  */
  66   xpthread_join (th);
  67   puts ("error: pthread_join returned");
  68   return 1;
  69 }