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/*
* Soft: Keepalived is a failover program for the LVS project
* <www.linuxvirtualserver.org>. It monitor & manipulate
* a loadbalanced server pool using multi-layer checks.
*
* Part: timer.c include file.
*
* Version: $Id: timer.h,v 1.1.15 2007/09/15 04:07:41 acassen Exp $
*
* Author: Alexandre Cassen, <acassen@linux-vs.org>
*
* 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.
*
* 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.
*
* Copyright (C) 2001-2007 Alexandre Cassen, <acassen@freebox.fr>
*/
#ifndef _TIMER_H
#define _TIMER_H
#include <sys/time.h>
typedef struct timeval TIMEVAL;
/* Global vars */
extern TIMEVAL time_now;
/* macro utilities */
#define TIMER_HZ 1000000
#define TIMER_MAX_SEC 1000
#define TIMER_SEC(T) ((T).tv_sec)
#define TIMER_LONG(T) ((T).tv_sec * TIMER_HZ + (T).tv_usec)
#define TIMER_ISNULL(T) ((T).tv_sec == 0 && (T).tv_usec == 0)
#define TIMER_RESET(T) (memset(&(T), 0, sizeof(struct timeval)))
/* prototypes */
extern TIMEVAL timer_now(void);
extern TIMEVAL set_time_now(void);
extern TIMEVAL timer_dup(TIMEVAL b);
extern int timer_cmp(TIMEVAL a, TIMEVAL b);
extern TIMEVAL timer_sub(TIMEVAL a, TIMEVAL b);
extern TIMEVAL timer_add_long(TIMEVAL a, long b);
extern TIMEVAL timer_sub_now(TIMEVAL a);
extern void timer_dump(TIMEVAL a);
extern unsigned long timer_tol(TIMEVAL a);
#endif
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