From e1a32fd42be4ac4b388e260847ea5fcce3da2bcb Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 7 Jul 2008 09:15:29 +0000
Subject: [PATCH] The r178914 I erronously put the setting of the KQ_FLUXWAIT
 flag before KQ_FLUX_WAKEUP(). Since the later macro clears the KQ_FLUXWAIT,
 the kqueue_scan() thread may be not woken up.

Move the setting of KQ_FLUXWAIT after wakeup to correct the issue.

Reported and tested by:	pho
MFC after:	3 days
---
 sys/kern/kern_event.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index b031fa00a76a..36331be417fd 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -1211,12 +1211,11 @@ start:
 
 		if ((kn->kn_status == KN_MARKER && kn != marker) ||
 		    (kn->kn_status & KN_INFLUX) == KN_INFLUX) {
-			kq->kq_state |= KQ_FLUXWAIT;
 			if (influx) {
 				influx = 0;
 				KQ_FLUX_WAKEUP(kq);
 			}
-
+			kq->kq_state |= KQ_FLUXWAIT;
 			error = msleep(kq, &kq->kq_lock, PSOCK,
 			    "kqflxwt", 0);
 			continue;