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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Maurus Cuelenaere
*
* 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
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PLUGINLIB_EXIT_H__
#define __PLUGINLIB_EXIT_H__
#include "config.h"
#include <setjmp.h>
#define _PLUGINLIB_EXIT_INIT(atexit) switch(setjmp(__exit_env)) \
{ \
case 1: \
atexit \
return PLUGIN_OK; \
case 2: \
atexit \
return PLUGIN_ERROR; \
case 0: \
default: \
break; \
}
/* Either PLUGINLIB_EXIT_INIT or PLUGINLIB_EXIT_INIT_ATEXIT needs to be placed
* as the first line in plugin_start. The _ATEXIT version will call the named
* no-argument function when exit() is called before exiting the plugin, to
* allow for cleanup.
*/
#define PLUGINLIB_EXIT_INIT _PLUGINLIB_EXIT_INIT()
#define PLUGINLIB_EXIT_INIT_ATEXIT(atexit) _PLUGINLIB_EXIT_INIT(atexit();)
extern jmp_buf __exit_env;
#define exit(status) longjmp(__exit_env, status != 0 ? 2 : 1)
#endif /* __PLUGINLIB_EXIT_H__ */
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