gecko-dev/xpcom/base/nsMemoryImpl.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
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* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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#ifndef nsMemoryImpl_h__
#define nsMemoryImpl_h__
#include "nsMemory.h"
#include "nsISupportsArray.h"
#include "nsIRunnable.h"
#include "nsIThread.h"
#include "nsCOMPtr.h"
#include "plevent.h"
#define NS_MEMORY_CONTRACTID "@mozilla.org/xpcom/memory-service;1"
struct PRLock;
class MemoryFlusher;
class nsMemoryImpl : public nsIMemory
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMEMORY
nsMemoryImpl();
virtual ~nsMemoryImpl();
nsresult FlushMemory(const PRUnichar* aReason, PRBool aImmediate);
// called from xpcom initialization/finalization:
static nsresult Startup();
static nsresult Shutdown();
static NS_METHOD
Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
protected:
MemoryFlusher* mFlusher;
nsCOMPtr<nsIThread> mFlusherThread;
PRLock* mFlushLock;
PRBool mIsFlushing;
struct FlushEvent {
PLEvent mEvent;
const PRUnichar* mReason;
};
FlushEvent mFlushEvent;
static nsresult RunFlushers(nsMemoryImpl* aSelf, const PRUnichar* aReason);
static void* PR_CALLBACK HandleFlushEvent(PLEvent* aEvent);
static void PR_CALLBACK DestroyFlushEvent(PLEvent* aEvent);
};
#endif // nsMemoryImpl_h__