nptl/tst-eintr3.c

   1 /* Copyright (C) 2003-2020 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    <https://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 #include <support/check.h>
  26 #include <support/xthread.h>
  27
  28 #include "eintr.c"
  29
  30
  31 static void *
  32 tf (void *arg)
  33 {
  34   pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  35   xpthread_mutex_lock (&m);
  36   /* This call must not return.  */
  37   xpthread_mutex_lock (&m);
  38
  39   puts ("tf: mutex_lock returned");
  40   exit (1);
  41 }
  42
  43
  44 static int
  45 do_test (void)
  46 {
  47   pthread_t self = pthread_self ();
  48
  49   setup_eintr (SIGUSR1, &self);
  50
  51   pthread_t th = xpthread_create (NULL, tf, NULL);
  52
  53   delayed_exit (1);
  54   /* This call must never return.  */
  55   xpthread_join (th);
  56   puts ("error: pthread_join returned");
  57   return 1;
  58 }
  59
  60 #include <support/test-driver.c>