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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__
/* make sure we are in sync with the real definitions, especially on
* hosted systems */
#include <stdlib.h>
#include "gcc_extensions.h"
/* these are actually implemented in plugin_crt0.c which all plugins link
*
* the cygwin/mingw shared library stub also defines atexit, so give our
* implementation a prefix */
#define atexit rb_atexit
extern int rb_atexit(void (*func)(void));
extern void exit(int status) NORETURN_ATTR;
/* these don't call the exit handlers */
extern void _exit(int status) NORETURN_ATTR;
/* C99 version */
#define _Exit _exit
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#endif
/**
* helper function to handle USB connected events coming from
* button_get()
*
* it will exit the plugin if usb is detected, but it will call the atexit func
* before actually showing the usb screen
*
* it additionally handles power off as well, with the same behavior
*/
extern void exit_on_usb(int button);
#endif /* __PLUGINLIB_EXIT_H__ */
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