From a8b5b324e3aa8c3ffa5f68c36bbb1f8a2e52c43a Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Thu, 15 Jan 2015 11:22:09 +0100
Subject: [PATCH] futex.2: RETURN VALUE: add FUTEX_WAKE_OP

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/futex.2 | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/man2/futex.2 b/man2/futex.2
index d9c6ae607..47884c396 100644
--- a/man2/futex.2
+++ b/man2/futex.2
@@ -755,8 +755,12 @@ then difference is the number of waiters requeued to the futex at
 .\" FIXME Add success returns for other operations
 .TP
 .B FUTEX_WAKE_OP
-.\" FIXME
-[TBC]
+.\" FIXME Is the following correct?
+Returns the total number of waiters that were woken up.
+This is the sum of the woken waiters on the two futexes at
+.I uaddr
+and
+.IR uaddr2 .
 .TP
 .B FUTEX_WAIT_BITSET
 .\" FIXME Is the following correct?