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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* 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.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsMemoryImpl_h__
#define nsMemoryImpl_h__
#include "nsIMemory.h"
#include "prlock.h"
#include "plevent.h"
// nsMemoryImpl is a static object. We can do this because it doesn't have
// a constructor/destructor or any instance members. Please don't add
// instance member variables, only static member variables.
class nsMemoryImpl : public nsIMemory
{
public:
// We don't use the generic macros because we are a special static object
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aResult);
NS_IMETHOD_(nsrefcnt) AddRef(void) { return 1; }
NS_IMETHOD_(nsrefcnt) Release(void) { return 1; }
NS_DECL_NSIMEMORY
static NS_HIDDEN_(nsresult) Startup();
static NS_HIDDEN_(void) Shutdown();
static NS_METHOD Create(nsISupports* outer,
const nsIID& aIID, void **aResult);
NS_HIDDEN_(nsresult) FlushMemory(const PRUnichar* aReason, PRBool aImmediate);
protected:
struct FlushEvent {
PLEvent mEvent;
const PRUnichar* mReason;
};
NS_HIDDEN_(nsresult) RunFlushers(const PRUnichar* aReason);
static NS_HIDDEN_(void*) PR_CALLBACK HandleFlushEvent(PLEvent* aEvent);
static NS_HIDDEN_(void) PR_CALLBACK DestroyFlushEvent(PLEvent* aEvent);
static PRLock* sFlushLock;
static PRBool sIsFlushing;
static FlushEvent sFlushEvent;
};
#endif // nsMemoryImpl_h__
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