libio/tst-cleanup.c

   1 /* Copyright (C) 2021-2023 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 /* Test that stdout is flushed after atexit callbacks were run, even if the
  19  * executable is linked with --gc-sections.  */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 void
  25 hook (void)
  26 {
  27   puts ("hello");
  28 }
  29
  30 int
  31 main (void)
  32 {
  33   atexit (hook);
  34 }