posix/_exit.c

   1 /* Copyright (C) 1991-2017 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    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <unistd.h>
  19 #include <stdlib.h>
  20
  21 /* The function `_exit' should take a status argument and simply
  22    terminate program execution, using the low-order 8 bits of the
  23    given integer as status.  */
  24 void
  25 _exit (int status)
  26 {
  27   status &= 0xff;
  28   abort ();
  29 }
  30 libc_hidden_def (_exit)
  31 rtld_hidden_def (_exit)
  32 weak_alias (_exit, _Exit)
  33
  34 stub_warning (_exit)