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/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "exit.h"
#if defined(HAVE_GNU_LD) && !defined(__linux__) && !defined (__ELF__)
CONST struct
{
size_t n;
void EXFUN((*fn[1]), (NOARGS));
} __libc_atexit;
#endif
/* Call all functions registered with `atexit' and `on_exit',
in the reverse of the order in which they were registered
perform stdio cleanup, and terminate program execution with STATUS. */
void
DEFUN(exit, (status), int status)
{
register CONST struct exit_function_list *l;
for (l = __exit_funcs; l != NULL; l = l->next)
{
register size_t i = l->idx;
while (i-- > 0)
{
CONST struct exit_function *CONST f = &l->fns[i];
switch (f->flavor)
{
case ef_free:
break;
case ef_on:
(*f->func.on.fn)(status, f->func.on.arg);
break;
case ef_at:
(*f->func.at)();
break;
}
}
}
#if defined(HAVE_GNU_LD) && !defined(__linux__) && !defined (__ELF__)
{
void EXFUN((*CONST *fn), (NOARGS));
for (fn = __libc_atexit.fn; *fn != NULL; ++fn)
(**fn) ();
}
#else
{
#if 1
extern void EXFUN(_IO_flush_all, (NOARGS));
_IO_flush_all ();
#else
extern void EXFUN(_cleanup, (NOARGS));
_cleanup();
#endif
}
#endif
_exit(status);
}
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