From d3b1c7957eea64ba4c2dc7729696a97f15590bf8 Mon Sep 17 00:00:00 2001
From: Philipp Haller <hallerp@gmail.com>
Date: Tue, 18 Sep 2007 12:02:32 +0000
Subject: Added clearProxy method to Actor object.

---
 src/actors/scala/actors/Actor.scala | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/actors/scala/actors/Actor.scala b/src/actors/scala/actors/Actor.scala
index cba7a8c4c0..3f1d6bf161 100644
--- a/src/actors/scala/actors/Actor.scala
+++ b/src/actors/scala/actors/Actor.scala
@@ -56,6 +56,21 @@ object Actor {
       tl.set(new ActorProxy(currentThread))
   }
 
+  /**
+   * Removes any reference to an <code>ActorProxy</code>
+   * currently stored in thread-local storage.
+   *
+   * This allows to release references from threads that are
+   * potentially long-running or being re-used (e.g. inside
+   * a thread pool). Permanent references in thread-local storage
+   * are a potential memory leak.
+   */
+  def clearProxy {
+    val a = tl.get.asInstanceOf[Actor]
+    if ((null ne a) && a.isInstanceOf[ActorProxy])
+      tl.set(null)
+  }
+
   /**
    * <p>This function is used for the definition of actors.</p>
    * <p>The following example demonstrates its usage:</p><pre>
-- 
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