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/*
* Copyright (c) 1996, 1998 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
*
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/callout.h>
#include <oskit/dev/dev.h>
#include <oskit/c/time.h>
struct timeval boottime; /* boottime, referenced by some protocol */
extern void bsd_hardclock(void);
static void timeout_init(void);
int ncallout = 256;
struct callout *callout;
/* get clock up and running */
void clock_init()
{
osenv_timer_init();
timeout_init();
inittodr(0);
boottime = time;
osenv_timer_register(bsd_hardclock, hz);
}
/* ---------------------------------------------------------------------- */
static void
timeout_init(void)
{
int i;
callout = (struct callout *)
malloc(sizeof(struct callout) * ncallout, M_FREE, M_WAITOK);
if (!callout)
panic("can't allocate callout queue!\n");
/*
* Initialize callouts
*/
callfree = callout;
for (i = 1; i < ncallout; i++)
callout[i-1].c_next = &callout[i];
}
/* ---------------------------------------------------------------------- */
void
spin_n_seconds(int n)
{
struct timeval mytime = time;
while ((time.tv_sec - mytime.tv_sec) < n)
continue;
}
/* ---------------------------------------------------------------------- */
/*
* normally, microtime accounts for the cycles having passed between
* the last clock irq and now... I hope we can deal with that weaker
* monotony - if not, we'll need to include /usr/src/sys/i386/i386/microtime.s
* and implement all the variables it references in the clock routines
*/
void microtime(struct timeval *tv)
{
*tv = time;
}
/* ---------------------------------------------------------------------- */
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