71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* Copyright (C) 1991, 1995 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"
|
|
|
|
#ifdef HAVE_GNU_LD
|
|
#include "set-hooks.h"
|
|
DEFINE_HOOK (__libc_atexit, (void))
|
|
#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;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_GNU_LD
|
|
RUN_HOOK (__libc_atexit, ());
|
|
#else
|
|
{
|
|
extern void EXFUN(_cleanup, (NOARGS));
|
|
_cleanup();
|
|
}
|
|
#endif
|
|
|
|
_exit(status);
|
|
}
|
|
|