diff options
| author | dg <dg@FreeBSD.org> | 1996-07-31 10:35:47 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1996-07-31 10:35:47 +0000 |
| commit | 2fb389656a38e203c1cb72850a60f7c0b18aaf1c (patch) | |
| tree | 94e4cbcf9b7727e2a642f5af295fbfe521a688b7 /sys/kern | |
| parent | 2a50131bb0b7b79f7cdd0457a4a51e8b0e3a53c7 (diff) | |
| download | FreeBSD-src-2fb389656a38e203c1cb72850a60f7c0b18aaf1c.zip FreeBSD-src-2fb389656a38e203c1cb72850a60f7c0b18aaf1c.tar.gz | |
Changed wakeup_one() to continue looping, possibly waking up additional
processes, until it finds one that is not swapped out.
Submitted by: dyson
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_synch.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index b32fe03..4921bc8 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_synch.c 8.9 (Berkeley) 5/19/95 - * $Id: kern_synch.c,v 1.20 1996/04/07 13:35:58 bde Exp $ + * $Id: kern_synch.c,v 1.21 1996/07/31 09:26:37 davidg Exp $ */ #include "opt_ktrace.h" @@ -472,7 +472,9 @@ restart: } /* - * Make one process sleeping on the specified identifier runnable. + * Make a process sleeping on the specified identifier runnable. + * May wake more than one process if a target prcoess is currently + * swapped out. */ void wakeup_one(ident) @@ -499,19 +501,14 @@ wakeup_one(ident) updatepri(p); p->p_slptime = 0; p->p_stat = SRUN; - /* - * XXX Perhaps we should only terminate the - * loop if the process being awoken is memory - * resident (i.e. actually runnable)? - */ if (p->p_flag & P_INMEM) { setrunqueue(p); need_resched(); + break; } else { wakeup((caddr_t)&proc0); } /* END INLINE EXPANSION */ - break; } } } |
