From be0068b178b13906ecacb55af65b42f25950642c Mon Sep 17 00:00:00 2001
From: millert <millert@openbsd.org>
Date: Tue, 7 Aug 2007 11:30:53 +0000
Subject: Correctly deal with EOF on pipe wrt kqueue.  Based on a fix present
 in FreeBSD and NetBSD.  OK art@ beck@

---
 sys/kern/sys_pipe.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sys/kern/sys_pipe.c')

diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index dda76df3692..bb1985c8dec 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sys_pipe.c,v 1.51 2006/11/17 09:21:52 jmc Exp $	*/
+/*	$OpenBSD: sys_pipe.c,v 1.52 2007/08/07 11:30:53 millert Exp $	*/
 
 /*
  * Copyright (c) 1996 John S. Dyson
@@ -735,9 +735,10 @@ pipeclose(struct pipe *cpipe)
 		 * If the other side is blocked, wake it up saying that
 		 * we want to close it down.
 		 */
+		cpipe->pipe_state |= PIPE_EOF;
 		while (cpipe->pipe_busy) {
 			wakeup(cpipe);
-			cpipe->pipe_state |= PIPE_WANT | PIPE_EOF;
+			cpipe->pipe_state |= PIPE_WANT;
 			tsleep(cpipe, PRIBIO, "pipecl", 0);
 		}
 
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