sysdeps/pthread/tst-stdio1.c

   1 /* Copyright (C) 2002-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <signal.h>
  20 #include <stdio.h>
  21 #include <unistd.h>
  22
  23 static int do_test (void);
  24
  25 #define TEST_FUNCTION do_test ()
  26 #include "../test-skeleton.c"
  27
  28 static void *tf (void *a)
  29 {
  30   flockfile (stdout);
  31   /* This call should never return.  */
  32   return a;
  33 }
  34
  35
  36 int
  37 do_test (void)
  38 {
  39   pthread_t th;
  40
  41   flockfile (stdout);
  42
  43   if (pthread_create (&th, NULL, tf, NULL) != 0)
  44     {
  45       write_message ("create failed\n");
  46       _exit (1);
  47     }
  48
  49   delayed_exit (1);
  50   xpthread_join (th);
  51
  52   puts ("join returned");
  53
  54   return 1;
  55 }