--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/sfile/sf_pool.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,124 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// f32\sfile\sf_pool.cpp
+// 
+//
+
+#include "sf_pool.h"
+#ifdef SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION	
+#include "sf_notifier.h"
+#endif //SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION	
+
+//=====CFsPool=============================
+
+template <class T>
+CFsPool<T>* CFsPool<T>::New(TInt aPoolSize)
+	{
+	CFsPool<T>* pool = new CFsPool<T>();
+	if(!pool)
+		return NULL;
+	
+	TInt r = pool->Construct(aPoolSize);
+	if(r!=KErrNone)
+		{
+		delete pool;
+		return NULL;
+		}
+	else
+		return pool;
+	}
+
+
+template <class T>
+CFsPool<T>::CFsPool()
+	{
+	}
+
+template <class T>
+TInt CFsPool<T>::Construct(TInt aPoolSize)
+	{
+	TInt r = iPoolLock.CreateLocal(KNotificationPoolSize);
+	if(r != KErrNone)
+			return r;
+	
+	r = iFreeList.Reserve(KNotificationPoolSize);
+	if(r != KErrNone)
+		return r;
+	
+	TInt i = 0;
+	while(i < aPoolSize)
+		{
+		T* t = T::New();
+		if(!t)
+			{
+			return KErrNoMemory;
+			}
+		iFreeList.Append(t);	
+		i++;
+		}
+	
+	return KErrNone; 
+	}
+
+//This should only be called by the Manager when it holds
+//the manager's write lock meaning that all of the
+//blocks should be unallocated 
+template <class T>
+CFsPool<T>::~CFsPool()
+	{
+	for(TInt i=0; i < iFreeList.Count(); i++)
+		{
+		delete iFreeList[i];
+		}
+	iFreeList.Close();
+	}
+
+
+template <class T>
+T* CFsPool<T>::Allocate()
+	{
+	Lock(); //Waits when there are no free blocks left
+
+	TInt lastIndex = iFreeList.Count()-1;
+	T* t = iFreeList[lastIndex];
+	iFreeList.Remove(lastIndex);
+	
+	return t;
+	}
+
+template <class T>
+void CFsPool<T>::Free(T* aBlock)
+	{
+	iFreeList.Append(aBlock);
+	Unlock();
+	}
+
+template <class T>
+void CFsPool<T>::Lock()
+	{
+	iPoolLock.Wait();
+	}
+
+template <class T>
+void CFsPool<T>::Unlock()
+	{
+	iPoolLock.Signal();
+	}
+
+#ifdef SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION	
+//This is needed here because the compiler needs to know which types will be 
+//instantiating the template (because it's in a separate file)
+template class CFsPool<CFsNotificationBlock>;
+#endif //SYMBIAN_F32_ENHANCED_CHANGE_NOTIFICATION	
+