libiberty/xexit.c

   1 /* xexit.c -- Run any exit handlers, then exit.
   2    Copyright (C) 1994-2019 Free Software Foundation, Inc.
   3
   4 This file is part of the libiberty library.
   5 Libiberty is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public
   7 License as published by the Free Software Foundation; either
   8 version 2 of the License, or (at your option) any later version.
   9
  10 Libiberty 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 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with libiberty; see the file COPYING.LIB.  If not, write
  17 to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  18 Boston, MA 02110-1301, USA.  */
  19
  20 /*
  21
  22 @deftypefn Replacement void xexit (int @var{code})
  23
  24 Terminates the program.  If any functions have been registered with
  25 the @code{xatexit} replacement function, they will be called first.
  26 Termination is handled via the system's normal @code{exit} call.
  27
  28 @end deftypefn
  29
  30 */
  31
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35 #include <stdio.h>
  36 #ifdef HAVE_STDLIB_H
  37 #include <stdlib.h>
  38 #endif
  39 #include "libiberty.h"
  40
  41
  42 /* This variable is set by xatexit if it is called.  This way, xmalloc
  43    doesn't drag xatexit into the link.  */
  44 void (*_xexit_cleanup) (void);
  45
  46 void
  47 xexit (int code)
  48 {
  49   if (_xexit_cleanup != NULL)
  50     (*_xexit_cleanup) ();
  51   exit (code);
  52 }