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147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 04/20/2000 IBM Corp. Added PR_CALLBACK for Optlink use in OS2
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*/
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#ifndef nsThread_h__
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#define nsThread_h__
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#include "nsIRunnable.h"
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#include "nsIThread.h"
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#include "nsIThreadPool.h"
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#include "nsISupportsArray.h"
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#include "prcvar.h"
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#include "nsCOMPtr.h"
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class nsThreadPoolBusyBody;
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class nsThread : public nsIThread
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{
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public:
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NS_DECL_ISUPPORTS
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// nsIThread methods:
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NS_DECL_NSITHREAD
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// nsThread methods:
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nsThread();
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virtual ~nsThread();
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nsresult RegisterThreadSelf();
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void SetPRThread(PRThread* thread) { mThread = thread; }
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void WaitUntilReadyToStartMain();
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static void PR_CALLBACK Main(void* arg);
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static void PR_CALLBACK Exit(void* arg);
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static void PR_CALLBACK Shutdown();
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static PRUintn kIThreadSelfIndex;
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static NS_METHOD
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Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
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protected:
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PRThread* mThread;
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nsCOMPtr<nsIRunnable> mRunnable;
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PRBool mDead;
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PRLock* mStartLock;
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};
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////////////////////////////////////////////////////////////////////////////////
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class nsThreadPool : public nsIThreadPool
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{
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friend class nsThreadPoolBusyBody;
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public:
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NS_DECL_ISUPPORTS
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// nsIThreadPool methods:
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NS_DECL_NSITHREADPOOL
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// nsThreadPool methods:
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nsThreadPool();
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virtual ~nsThreadPool();
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nsIRunnable* GetRequest(nsIThread* currentThread);
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void RequestDone(nsIRunnable *request);
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static PRBool InterruptThreads(nsISupports* aElement,
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void *aData);
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static NS_METHOD
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Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
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protected:
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nsresult AddThread();
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nsresult RemoveThread(nsIThread* currentThread);
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nsCOMPtr<nsISupportsArray> mThreads;
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nsCOMPtr<nsISupportsArray> mPendingRequests;
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nsCOMPtr<nsISupportsArray> mRunningRequests;
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PRLock* mLock;
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PRCondVar* mThreadExit;
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PRCondVar* mPendingRequestAdded;
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PRCondVar* mPendingRequestsAtZero;
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PRUint32 mStackSize;
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PRThreadPriority mPriority;
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PRThreadScope mScope;
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PRUint32 mMinThreads;
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PRUint32 mMaxThreads;
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PRUint32 mBusyThreads;
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PRBool mShuttingDown;
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};
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////////////////////////////////////////////////////////////////////////////////
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class nsThreadPoolRunnable : public nsIRunnable
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{
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public:
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NS_DECL_ISUPPORTS
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// nsIRunnable methods:
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NS_DECL_NSIRUNNABLE
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// nsThreadPoolRunnable methods:
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nsThreadPoolRunnable(nsThreadPool* pool);
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virtual ~nsThreadPoolRunnable();
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protected:
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nsCOMPtr<nsThreadPool> mPool;
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};
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////////////////////////////////////////////////////////////////////////////////
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#endif // nsThread_h__
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