timer.h revision 30733 
1/*
2 *	    Written by Toshiharu OHNO (tony-o@iij.ad.jp)
3 *
4 *   Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
5 *
6 * Redistribution and use in source and binary forms are permitted
7 * provided that the above copyright notice and this paragraph are
8 * duplicated in all such forms and that any documentation,
9 * advertising materials, and other materials related to such
10 * distribution and use acknowledge that the software was developed
11 * by the Internet Initiative Japan.  The name of the
12 * IIJ may not be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * $Id: timer.h,v 1.1 1997/10/26 01:03:53 brian Exp $
19 *
20 *	TODO:
21 */
22
23#define	TICKUNIT	100000	/* Unit in usec */
24#define	SECTICKS	(1000000/TICKUNIT)
25
26struct pppTimer {
27  int state;
28  u_long rest;			/* Ticks to expire */
29  u_long load;			/* Initial load value */
30  void (*func)();		/* Function called when timer is expired */
31  void *arg;			/* Argument passed to timeout function */
32  struct pppTimer *next;	/* Link to next timer */
33  struct pppTimer *enext;	/* Link to next expired timer */
34};
35
36#define	TIMER_STOPPED	0
37#define	TIMER_RUNNING	1
38#define	TIMER_EXPIRED	2
39
40extern struct pppTimer *TimerList;
41
42extern void StartTimer(struct pppTimer *);
43extern void StopTimer(struct pppTimer *);
44extern void TimerService(void);
45extern void TermTimerService(void);
46extern void ShowTimers(void);
47
48#ifdef SIGALRM
49extern u_int nointr_sleep(u_int);
50extern void nointr_usleep(u_int);
51#endif
52