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// -*-c++-*-
/* $Id$ */
/*
*
* Copyright (C) 1998 David Mazieres (dm@uun.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2, or (at
* your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#ifndef _ASYNC_INIT_H_
#define _ASYNC_INIT_H_ 1
#if __GNUC__ >= 3
# define __init_attribute__(x)
#else /* gcc < 3 */
# define __init_attribute__(x) __attribute__ (x)
#endif /* gcc < 3 */
#define INIT(name) \
static class name { \
static int count; \
static int &cnt () { return count; } \
static void start (); \
static void stop (); \
public: \
name () {if (!cnt ()++) start ();} \
~name () {if (!--cnt ()) stop ();} \
} init_ ## name __init_attribute__ ((unused))
class initfn {
initfn ();
public:
initfn (void (*fn) ()) { fn (); }
};
#define INITFN(fn) \
static void fn (); \
static initfn init_ ## fn (fn) __init_attribute__ ((unused))
class exitfn {
void (*const fn) ();
public:
exitfn (void (*fn) ()) : fn (fn) {}
~exitfn () { fn (); }
};
#define EXITFN(fn) \
static void fn (); \
static exitfn exit_ ## fn (fn) __init_attribute__ ((unused))
#endif /* !_ASYNC_INIT_H_ */
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