xpcom/threads/nsThreadPool.h

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   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is Mozilla code.
  17  *
  18  * The Initial Developer of the Original Code is Google Inc.
  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *  Darin Fisher <darin@meer.net>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
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  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef nsThreadPool_h__
  40 #define nsThreadPool_h__
  41
  42 #include "nsIThreadPool.h"
  43 #include "nsIThread.h"
  44 #include "nsIRunnable.h"
  45 #include "nsEventQueue.h"
  46 #include "nsCOMArray.h"
  47 #include "nsCOMPtr.h"
  48
  49 class nsThreadPool : public nsIThreadPool, public nsIRunnable
  50 {
  51 public:
  52   NS_DECL_ISUPPORTS
  53   NS_DECL_NSIEVENTTARGET
  54   NS_DECL_NSITHREADPOOL
  55   NS_DECL_NSIRUNNABLE
  56
  57   nsThreadPool();
  58
  59 private:
  60   ~nsThreadPool();
  61
  62   void ShutdownThread(nsIThread *thread);
  63   nsresult PutEvent(nsIRunnable *event);
  64
  65   nsCOMArray<nsIThread> mThreads;
  66   nsEventQueue          mEvents;
  67   PRUint32              mThreadLimit;
  68   PRUint32              mIdleThreadLimit;
  69   PRUint32              mIdleThreadTimeout;
  70   PRUint32              mIdleCount;
  71   nsCOMPtr<nsIThreadPoolListener> mListener;
  72   PRBool                mShutdown;
  73 };
  74
  75 #define NS_THREADPOOL_CLASSNAME "nsThreadPool"
  76 #define NS_THREADPOOL_CID                          \
  77 { /* 547ec2a8-315e-4ec4-888e-6e4264fe90eb */       \
  78   0x547ec2a8,                                      \
  79   0x315e,                                          \
  80   0x4ec4,                                          \
  81   {0x88, 0x8e, 0x6e, 0x42, 0x64, 0xfe, 0x90, 0xeb} \
  82 }
  83
  84 #endif  // nsThreadPool_h__