nptl/tst-stdio1.c

   1 /* Copyright (C) 2002-2013 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 void *tf (void *a)
  26 {
  27   flockfile (stdout);
  28   /* This call should never return.  */
  29   return a;
  30 }
  31
  32
  33 int
  34 do_test (void)
  35 {
  36   pthread_t th;
  37
  38   flockfile (stdout);
  39
  40   if (pthread_create (&th, NULL, tf, NULL) != 0)
  41     {
  42       write (2, "create failed\n", 14);
  43       _exit (1);
  44     }
  45
  46   pthread_join (th, NULL);
  47
  48   puts ("join returned");
  49
  50   return 0;
  51 }
  52
  53
  54 #define EXPECTED_SIGNAL SIGALRM
  55 #define TEST_FUNCTION do_test ()
  56 #include "../test-skeleton.c"