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Make FireAndForgetWrapper a singleton class 

Made FireAndForgetWrapper a singleton class to allow us to drop
	dependancy on the BclExtras35 library. BclExtras is broken in
	Mono 2.8.2 and we used the library in only one function.
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BlueWall 2011-01-13 11:39:50 -05:00 committed by Melanie
parent 705f4e1e4b
commit 69c8cc787f
3 changed files with 24 additions and 5 deletions
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27
OpenSim/Framework/Util.cs
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@ -46,7 +46,7 @@ using System.Threading;
using log4net;
using Nini.Config;
using Nwc.XmlRpc;
using BclExtras;
// using BclExtras;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using Amib.Threading;
@ -1375,8 +1375,29 @@ namespace OpenSim.Framework
/// <summary>
/// Created to work around a limitation in Mono with nested delegates
/// </summary>
private class FireAndForgetWrapper
private sealed class FireAndForgetWrapper
{
private static volatile FireAndForgetWrapper instance;
private static object syncRoot = new Object();
public static FireAndForgetWrapper Instance {
get {
if (instance == null)
{
lock (syncRoot)
{
if (instance == null)
{
instance = new FireAndForgetWrapper();
}
}
}
return instance;
}
}
public void FireAndForget(System.Threading.WaitCallback callback)
{
callback.BeginInvoke(null, EndFireAndForget, callback);
@ -1445,7 +1466,7 @@ namespace OpenSim.Framework
ThreadPool.QueueUserWorkItem(callback, obj);
break;
case FireAndForgetMethod.BeginInvoke:
FireAndForgetWrapper wrapper = Singleton.GetInstance<FireAndForgetWrapper>();
FireAndForgetWrapper wrapper = FireAndForgetWrapper.Instance;
wrapper.FireAndForget(callback, obj);
break;
case FireAndForgetMethod.SmartThreadPool:

BIN
bin/BclExtras35.dll
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2
prebuild.xml
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@ -158,7 +158,6 @@
<Reference name="System.Data"/>
<Reference name="System.Drawing"/>
<Reference name="System.Web"/>
<Reference name="BclExtras35" path="../../bin/"/>
<Reference name="OpenMetaverseTypes" path="../../bin/"/>
<Reference name="OpenMetaverse" path="../../bin/"/>
<Reference name="OpenMetaverse.StructuredData" path="../../bin/"/>
@ -1597,7 +1596,6 @@
<Reference name="OpenSim.Region.ClientStack"/>
<Reference name="OpenSim.Region.Physics.Manager"/>
<Reference name="OpenSim.Services.Interfaces"/>
<Reference name="BclExtras35" path="../../../../bin/"/>
<Reference name="XMLRPC" path="../../../../bin/"/>
<Reference name="Nini" path="../../../../bin/"/>
<Reference name="log4net" path="../../../../bin/"/>