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  }