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124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is worker threads.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com> (Original Author)
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __NSDOMWORKERPOOL_H__
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#define __NSDOMWORKERPOOL_H__
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// Bases
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#include "nsDOMWorkerBase.h"
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#include "nsIClassInfo.h"
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#include "nsIDOMThreads.h"
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// Other includes
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#include "jsapi.h"
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#include "nsStringGlue.h"
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#include "nsTPtrArray.h"
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#include "prmon.h"
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class nsDOMWorkerThread;
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class nsIScriptError;
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class nsIScriptGlobalObject;
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/**
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* The pool is almost always touched only on the main thread.
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*/
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class nsDOMWorkerPool : public nsDOMWorkerBase,
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public nsIDOMWorkerPool,
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public nsIClassInfo
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{
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friend class nsDOMThreadService;
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friend class nsDOMWorkerFunctions;
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friend class nsDOMWorkerPoolWeakRef;
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friend class nsDOMWorkerThread;
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friend class nsReportErrorRunnable;
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friend JSBool DOMWorkerOperationCallback(JSContext* aCx);
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMWORKERPOOL
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NS_DECL_NSICLASSINFO
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nsDOMWorkerPool();
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// For nsDOMWorkerBase
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virtual nsDOMWorkerPool* Pool() {
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return this;
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}
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private:
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virtual ~nsDOMWorkerPool();
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nsresult Init();
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// For nsDOMWorkerBase
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virtual nsresult HandleMessage(const nsAString& aMessage,
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nsDOMWorkerBase* aSourceThread);
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// For nsDOMWorkerBase
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virtual nsresult DispatchMessage(nsIRunnable* aRunnable);
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void HandleError(nsIScriptError* aError,
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nsDOMWorkerThread* aSource);
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void NoteDyingWorker(nsDOMWorkerThread* aWorker);
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void CancelWorkersForGlobal(nsIScriptGlobalObject* aGlobalObject);
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void SuspendWorkersForGlobal(nsIScriptGlobalObject* aGlobalObject);
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void ResumeWorkersForGlobal(nsIScriptGlobalObject* aGlobalObject);
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PRMonitor* Monitor() {
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return mMonitor;
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}
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// Weak reference to the window that created and owns this pool.
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nsISupports* mParentGlobal;
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// Weak array of workers. The idea is that workers can be garbage collected
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// independently of the owning pool and other workers.
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nsTPtrArray<nsDOMWorkerThread> mWorkers;
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// An error handler function, may be null.
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nsCOMPtr<nsIDOMWorkerErrorListener> mErrorListener;
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// Monitor for suspending and resuming workers.
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PRMonitor* mMonitor;
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};
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#endif /* __NSDOMWORKERPOOL_H__ */
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