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46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2002 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _KERNEL_H_
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#define _KERNEL_H_
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#include "config.h"
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#include <stdint.h>
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struct timeout;
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/* timeout callback type
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* tmo - pointer to struct timeout associated with event
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* return next interval or <= 0 to stop event
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*/
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#define MAX_NUM_TIMEOUTS 8
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typedef int (* timeout_cb_type)(struct timeout *tmo);
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struct timeout
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{
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timeout_cb_type callback;/* callback - returning false cancels */
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intptr_t data; /* data passed to callback */
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long expires; /* expiration tick */
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};
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void timeout_register(struct timeout *tmo, timeout_cb_type callback,
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int ticks, intptr_t data);
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void timeout_cancel(struct timeout *tmo);
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#endif /* _KERNEL_H_ */
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