rockbox/firmware/kernel/include/timeout.h
Thomas Martitz 382d1861af kernel: Break out kernel primitives into separate files and move to separate dir.
No code changed, just shuffling stuff around. This should make it easier to
build only select parts kernel and use different implementations.

Change-Id: Ie1f00f93008833ce38419d760afd70062c5e22b5
2014-03-03 18:11:57 +01:00

46 lines
1.6 KiB
C

/***************************************************************************
* __________ __ ___.
* 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_ */