/
timer.h
executable file
·42 lines (39 loc) · 1.6 KB
/
timer.h
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/*
; Copyright (C) 2003-2004 A.R.Karthick
; <a_r_karthic@users.sourceforge.net>
;
; 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 program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;
;
*/
#ifndef _TIMER_H
#define _TIMER_H
struct timer_struct {
struct list_head timer;//list head of timers for the threads
unsigned long expiry; //expiry of the timer
void (*routine)(void *); //expiry routine callback
void *arg; //argument for the timer
/*Each process when it exits,just removes the timer from the system,so as to avoid stale crashes with dereferencing the current pointer */
int timer_id;
};
extern void init_timer(struct timer_struct *);
extern void set_timer(struct timer_struct *,unsigned long,void (*)(void *),void *,int );
extern void add_timer(struct timer_struct *);
extern void del_timer(struct timer_struct *);
extern int is_timer(void);
extern void run_timer(void);
extern int interruptible_sleep_on_timeout(unsigned long);
extern void release_thread_timer(int);
#endif