From 52221931d50c00b06bd43114856bbd0fafc68403 Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Mon, 26 Oct 2009 16:41:56 +0000
Subject: [PATCH] A workaround for 100% CPU consumption issue in NIO selectors,
 suggested by David M. Lloyd

---
 .../org/jboss/netty/channel/socket/nio/NioDatagramWorker.java   | 2 +-
 src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/jboss/netty/channel/socket/nio/NioDatagramWorker.java b/src/main/java/org/jboss/netty/channel/socket/nio/NioDatagramWorker.java
index 3ee11d6621..0c69962a28 100644
--- a/src/main/java/org/jboss/netty/channel/socket/nio/NioDatagramWorker.java
+++ b/src/main/java/org/jboss/netty/channel/socket/nio/NioDatagramWorker.java
@@ -339,7 +339,7 @@ class NioDatagramWorker implements Runnable {
             i.remove();
             try {
                 int readyOps = k.readyOps();
-                if ((readyOps & SelectionKey.OP_READ) != 0) {
+                if ((readyOps & SelectionKey.OP_READ) != 0 || readyOps == 0) {
                     if (!read(k)) {
                         // Connection already closed - no need to handle write.
                         continue;
diff --git a/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java b/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
index 5309680222..224b6389e9 100644
--- a/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
+++ b/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
@@ -271,7 +271,7 @@ class NioWorker implements Runnable {
             i.remove();
             try {
                 int readyOps = k.readyOps();
-                if ((readyOps & SelectionKey.OP_READ) != 0) {
+                if ((readyOps & SelectionKey.OP_READ) != 0 || readyOps == 0) {
                     if (!read(k)) {
                         // Connection already closed - no need to handle write.
                         continue;