cloudstack/vnet/src/vnet-module/timer_util.c

77 lines
1.9 KiB
C

/*
* Copyright (C) 2005 Mike Wray <mike.wray@hp.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.
*
* 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
*
*/
#ifdef __KERNEL__
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/jiffies.h>
#include <linux/posix-timers.h>
#include <linux/spinlock.h>
#include <asm/semaphore.h>
#else
#include "sys_kernel.h"
#include "spinlock.h"
#endif
#include "timer_util.h"
#define MODULE_NAME "TIMER"
#define DEBUG 1
#undef DEBUG
#include "debug.h"
#ifdef __KERNEL__
void timer_init(struct timer_list *timer, void (*fn)(unsigned long), void *data){
init_timer(timer);
timer->data = (unsigned long)data;
timer->function = fn;
}
void timer_set(struct timer_list *timer, unsigned long ttl){
unsigned long now = jiffies;
timer->expires = now + ttl;
add_timer(timer);
}
#else
void timer_init(struct Timer *timer, void (*fn)(unsigned long), void *data){
*timer = (struct Timer){};
timer->data = (unsigned long)data;
timer->fn = fn;
}
void timer_set(struct Timer *timer, unsigned long ttl){
double now = time_now();
timer->expiry = now + (double)ttl/(double)HZ;
Timer_cancel(timer);
Timer_add(timer);
}
#endif