1  /* xexit.c -- Run any exit handlers, then exit.
       2     Copyright (C) 1994-2023 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  }