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/* $OpenBSD: kern_thread.c,v 1.1 1996/03/19 21:10:40 mickey Exp $ */
/*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <vm/vm_param.h>
#include <vm/lock.h>
/*
* The rest of these routines fake thread handling
*/
void
assert_wait(event, interruptible)
event_t event;
boolean_t interruptible;
{
#ifdef lint
interruptible++;
#endif
current_thread() = (thread_t)event; /* XXX */
}
void
thread_block()
{
int s = splhigh();
if (current_thread())
tsleep(current_thread(), PVM, "thrd_block", 0);
splx(s);
}
void
thread_sleep(event, lock, interruptible)
event_t event;
simple_lock_t lock;
boolean_t interruptible;
{
int s = splhigh();
assert_wait (event, interruptible);
simple_unlock(lock);
if (current_thread())
tsleep(event, PVM, "thrd_sleep", 0);
splx(s);
}
void
thread_wakeup(event)
event_t event;
{
int s = splhigh();
wakeup(event);
splx(s);
}
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