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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Björn Stenberg
*
* 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 _KERNEL_H_
#define _KERNEL_H_
#include "config.h"
struct timeout;
/* timeout callback type
* tmo - pointer to struct timeout associated with event
* return next interval or <= 0 to stop event
*/
#define MAX_NUM_TIMEOUTS 8
typedef int (* timeout_cb_type)(struct timeout *tmo);
struct timeout
{
timeout_cb_type callback;/* callback - returning false cancels */
intptr_t data; /* data passed to callback */
long expires; /* expiration tick */
};
void timeout_register(struct timeout *tmo, timeout_cb_type callback,
int ticks, intptr_t data);
void timeout_cancel(struct timeout *tmo);
#endif /* _KERNEL_H_ */
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