From 676a5013ed74433581d00542d1ce0a34b8329a12 Mon Sep 17 00:00:00 2001
From: kib <kib@FreeBSD.org>
Date: Sun, 22 Jan 2012 11:58:17 +0000
Subject: [PATCH] Clarify the implementation-defined behaviour in case of
 close(2) returning error.

MFC after:	1 week
---
 lib/libc/sys/close.2 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/libc/sys/close.2 b/lib/libc/sys/close.2
index 524322b1517b..c3a09725e34c 100644
--- a/lib/libc/sys/close.2
+++ b/lib/libc/sys/close.2
@@ -28,7 +28,7 @@
 .\"     @(#)close.2	8.2 (Berkeley) 4/19/94
 .\" $FreeBSD$
 .\"
-.Dd December 4, 2006
+.Dd January 22, 2012
 .Dt CLOSE 2
 .Os
 .Sh NAME
@@ -118,6 +118,10 @@ The underlying object did not fit, cached data was lost.
 The underlying object was a stream socket that was shut down by the peer
 before all pending data was delivered.
 .El
+.Pp
+In case of any error except
+.Er EBADF ,
+the supplied file descriptor is deallocated and therefore is no longer valid.
 .Sh SEE ALSO
 .Xr accept 2 ,
 .Xr closefrom 2 ,