From 10d6533b50f8577a1c2c31bc1ee02c8d512a24ad Mon Sep 17 00:00:00 2001
From: Markus Ewald <cygon@nuclex.org>
Date: Thu, 28 May 2009 19:55:48 +0000
Subject: [PATCH] Added an obvious, simple and important optimization: when
 Transaction.Wait() is called, the transaction will not create a WaitHandle if
 it has already ended

git-svn-id: file:///srv/devel/repo-conversion/nusu@142 d2e56fa2-650e-0410-a79f-9358c0239efd
---
 Source/Tracking/Transaction.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Source/Tracking/Transaction.cs b/Source/Tracking/Transaction.cs
index 51ea54d..3a4a1f3 100644
--- a/Source/Tracking/Transaction.cs
+++ b/Source/Tracking/Transaction.cs
@@ -128,7 +128,9 @@ namespace Nuclex.Support.Tracking {
 
     /// <summary>Waits until the background process finishes</summary>
     public virtual void Wait() {
-      WaitHandle.WaitOne();
+      if(!this.ended) {
+        WaitHandle.WaitOne();
+      }
     }
 
 #if !COMPACTFRAMEWORK
@@ -141,6 +143,10 @@ namespace Nuclex.Support.Tracking {
     ///   True if the background process completed, false if the timeout was reached
     /// </returns>
     public virtual bool Wait(TimeSpan timeout) {
+      if(this.ended) {
+        return true;
+      }
+
       return WaitHandle.WaitOne(timeout, false);
     }
 
@@ -154,6 +160,10 @@ namespace Nuclex.Support.Tracking {
     ///   True if the background process completed, false if the timeout was reached
     /// </returns>
     public virtual bool Wait(int timeoutMilliseconds) {
+      if(this.ended) {
+        return true;
+      }
+
       return WaitHandle.WaitOne(timeoutMilliseconds, false);
     }