Document thread-safety

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@756435 13f79535-47bb-0310-9956-ffa450edef68

httpclient/src/main/java/org/apache/http/impl/conn/tsccm/WaitingThread.java

@@ -34,6 +34,7 @@ package org.apache.http.impl.conn.tsccm;
 import java.util.Date;
 import java.util.concurrent.locks.Condition;
 
+import net.jcip.annotations.NotThreadSafe;
 
 /**
  * Represents a thread waiting for a connection.
@@ -48,6 +49,7 @@ import java.util.concurrent.locks.Condition;
  *
  * @since 4.0
  */
+@NotThreadSafe
 public class WaitingThread {
 
     /** The condition on which the thread is waiting. */

httpclient/src/main/java/org/apache/http/impl/conn/tsccm/WaitingThreadAborter.java

@@ -30,11 +30,17 @@
 
 package org.apache.http.impl.conn.tsccm;
 
-/** A simple class that can interrupt a {@link WaitingThread}. */
-/**
- *
+import net.jcip.annotations.NotThreadSafe;
+
+// TODO - only called from ConnPoolByRoute currently; consider adding it as nested class
+/** 
+ * A simple class that can interrupt a {@link WaitingThread}.
+ * 
+ * Must be called with the pool lock held.
+ * 
  * @since 4.0
  */
+@NotThreadSafe
 public class WaitingThreadAborter {
     
     private WaitingThread waitingThread;