From 56728a2905a9e10014e3db050d7f68fe321e5bcf Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <joerg@FreeBSD.org>
Date: Wed, 22 Oct 1997 07:29:13 +0000
Subject: [PATCH] Document EINVAL as a possible return value from open(2).

---
 lib/libc/sys/open.2 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index 11d290628a4..73435287d16 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -268,6 +268,13 @@ and
 were specified and the file exists.
 .It Bq Er EOPNOTSUPP
 An attempt was made to open a socket (not currently implemented).
+.It Bq Er EINVAL
+An attempt was made to open a descriptor with an illegal combination
+of
+.Dv O_RDONLY ,
+.Dv O_WRONLY ,
+and
+.Dv O_RDWR .
 .El
 .Sh SEE ALSO
 .Xr chmod 2 ,