glibc/stdlib/exit.h
Ulrich Drepper c41041bc2f Update.
1999-12-17  Andreas Jaeger  <aj@suse.de>

	* stdlib/Versions: Export __cxa_atexit and __cxa_finalize.

1999-12-16  Mark Mitchell  <mark@codesourcery.com>

	* stdlib/Makefile (routines): Add cxa_atexit and cxa_finalize.
	* stdlib/exit.h (flavor): Add ef_cxa.
	(exit_function): Add cxa variant.
	* stdlib/exit.c (exit): Handle ef_cxa exit functions.
	* stdlib/cxa_atexit.c: New file.
	* stdlib/cxa_finalize.c: New file.
1999-12-27 21:50:29 +00:00

64 lines
1.6 KiB
C

/* Copyright (C) 1991, 1996, 1997, 1999 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _EXIT_H
#define _EXIT_H 1
enum
{
ef_free, /* `ef_free' MUST be zero! */
ef_us,
ef_on,
ef_at,
ef_cxa
};
struct exit_function
{
/* `flavour' should be of type of the `enum' above but since we need
this element in an atomic operation we have to use `long int'. */
long int flavor;
union
{
void (*at) (void);
struct
{
void (*fn) (int status, void *arg);
void *arg;
} on;
struct
{
void (*fn) (void *arg);
void *arg;
void *dso_handle;
} cxa;
} func;
};
struct exit_function_list
{
struct exit_function_list *next;
size_t idx;
struct exit_function fns[32];
};
extern struct exit_function_list *__exit_funcs;
extern struct exit_function *__new_exitfn (void);
#endif /* exit.h */