From 8ba5d012f8c2184cf9c0e1eee26b7baed54a37b8 Mon Sep 17 00:00:00 2001
From: bdrewery <bdrewery@FreeBSD.org>
Date: Mon, 21 Mar 2016 20:29:49 +0000
Subject: [PATCH] Document openat(2) behavior.

MFC after:	2 weeks
Sponsored by:	EMC / Isilon Storage Division
---
 share/man/man4/filemon.4 | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/share/man/man4/filemon.4 b/share/man/man4/filemon.4
index 441b00396d93..10f2a39c9051 100644
--- a/share/man/man4/filemon.4
+++ b/share/man/man4/filemon.4
@@ -64,6 +64,9 @@ to handle incremental builds more smartly.
 System calls are denoted using the following single letters:
 .Pp
 .Bl -tag -width indent -compact
+.It Ql A
+.Xr openat 2 .
+The next log entry may be lacking an absolute path or be inaccurate.
 .It Ql C
 .Xr chdir 2
 .It Ql D
@@ -82,9 +85,13 @@ System calls are denoted using the following single letters:
 .Xr rename 2
 .It Ql R
 .Xr open 2
+or
+.Xr openat 2
 for read
 .It Ql W
 .Xr open 2
+or
+.Xr openat 2
 for write
 .It Ql X
 .Xr _exit 2