From 37edc05cce7373a206486451cc415ea07ad4451e Mon Sep 17 00:00:00 2001
From: markt <markt@13f79535-47bb-0310-9956-ffa450edef68>
Date: Sun, 27 Feb 2011 11:28:01 +0000
Subject: [PATCH] Block whilst waiting for data from client in NIO
 SSL-rehandshake rather than spinning the CPU

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1075030 13f79535-47bb-0310-9956-ffa450edef68
---
 java/org/apache/tomcat/util/net/SecureNioChannel.java | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/java/org/apache/tomcat/util/net/SecureNioChannel.java b/java/org/apache/tomcat/util/net/SecureNioChannel.java
index 04dc5ac97..35a7f15a9 100644
--- a/java/org/apache/tomcat/util/net/SecureNioChannel.java
+++ b/java/org/apache/tomcat/util/net/SecureNioChannel.java
@@ -294,7 +294,18 @@ public class SecureNioChannel extends NioChannel  {
             while (!handshakeComplete) {
                 handshake(true, true);
                 if (handshakeStatus == HandshakeStatus.NEED_UNWRAP)  {
-                    handshakeUnwrap(true);
+                    // Block until there is data to read from the client
+                    Selector selector = null;
+                    try {
+                        selector = Selector.open();
+                        sc.register(selector, SelectionKey.OP_READ);
+                        selector.select();
+                        handshakeUnwrap(true);
+                    } finally {
+                        if (selector != null) {
+                            selector.close();
+                        }
+                    }
                 }
             }
         } finally {
-- 
2.11.0