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idprio processes must be preempted as soon as anything is runnable.

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This commit is contained in:
dufault 1998-03-11 20:50:42 +00:00
parent 683c073d4b
commit e114b83423
1 changed files with 7 additions and 4 deletions
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11
sys/kern/kern_synch.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_synch.c 8.9 (Berkeley) 5/19/95
* $Id: kern_synch.c,v 1.48 1998/03/04 10:25:55 dufault Exp $
* $Id: kern_synch.c,v 1.49 1998/03/08 09:56:59 julian Exp $
*/
#include "opt_ktrace.h"
@ -103,10 +103,13 @@ static void maybe_resched(struct proc *chk)
{
struct proc *p = curproc; /* XXX */
/* If the current scheduler is the idle scheduler or
* the priority of the new one is higher then reschedule.
*/
if (p == 0 ||
((chk->p_priority < curpriority) &&
((RTP_PRIO_BASE(chk->p_rtprio.type) ==
RTP_PRIO_BASE(p->p_rtprio.type)))))
RTP_PRIO_BASE(p->p_rtprio.type) == RTP_PRIO_IDLE ||
(chk->p_priority < curpriority &&
RTP_PRIO_BASE(p->p_rtprio.type) == RTP_PRIO_BASE(chk->p_rtprio.type)) )
need_resched();
}