OpenCloudOS-Kernel/fs/afs/kafstimod.h

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/* kafstimod.h: AFS timeout daemon
*
* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* 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.
*/
#ifndef _LINUX_AFS_KAFSTIMOD_H
#define _LINUX_AFS_KAFSTIMOD_H
#include "types.h"
struct afs_timer;
struct afs_timer_ops {
/* called when the front of the timer queue has timed out */
void (*timed_out)(struct afs_timer *timer);
};
/*****************************************************************************/
/*
* AFS timer/timeout record
*/
struct afs_timer
{
struct list_head link; /* link in timer queue */
unsigned long timo_jif; /* timeout time */
const struct afs_timer_ops *ops; /* timeout expiry function */
};
static inline void afs_timer_init(struct afs_timer *timer,
const struct afs_timer_ops *ops)
{
INIT_LIST_HEAD(&timer->link);
timer->ops = ops;
}
extern int afs_kafstimod_start(void);
extern void afs_kafstimod_stop(void);
extern void afs_kafstimod_add_timer(struct afs_timer *timer,
unsigned long timeout);
extern int afs_kafstimod_del_timer(struct afs_timer *timer);
#endif /* _LINUX_AFS_KAFSTIMOD_H */