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 1.3 1997/11/22 03:37:52 brian Exp $ 19 * 20 * TODO: 21 */ 22 23 #define TICKUNIT 100000 /* Unit in usec */ 24 #define SECTICKS (1000000/TICKUNIT) 25 26 struct pppTimer { 27 int state; 28 u_long rest; /* Ticks to expire */ 29 u_long load; /* Initial load value */ 30 void (*func)(void *); /* 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 40 extern struct pppTimer *TimerList; 41 42 extern void StartTimer(struct pppTimer *); 43 extern void StopTimer(struct pppTimer *); 44 extern void TimerService(void); 45 extern void TermTimerService(void); 46 extern void ShowTimers(void); 47 48 #ifdef SIGALRM 49 extern void nointr_sleep(u_int); 50 extern void nointr_usleep(u_int); 51 #endif 52