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diff --git a/src/libs/xpcom18a4/xpcom/threads/TimerThread.h b/src/libs/xpcom18a4/xpcom/threads/TimerThread.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * ***** 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) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Stuart Parmenter <pavlov@netscape.com>
+ *
+ * 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 TimerThread_h___
+#define TimerThread_h___
+
+#include "nsWeakReference.h"
+
+#include "nsIEventQueueService.h"
+#include "nsIObserver.h"
+#include "nsIRunnable.h"
+#include "nsIThread.h"
+
+#include "nsTimerImpl.h"
+
+#include "nsVoidArray.h"
+
+#include "prcvar.h"
+#include "prinrval.h"
+#include "prlock.h"
+
+class TimerThread : public nsSupportsWeakReference,
+ public nsIRunnable,
+ public nsIObserver
+{
+public:
+ TimerThread();
+ NS_HIDDEN_(nsresult) InitLocks();
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIRUNNABLE
+ NS_DECL_NSIOBSERVER
+
+ NS_HIDDEN_(nsresult) Init();
+ NS_HIDDEN_(nsresult) Shutdown();
+
+ nsresult AddTimer(nsTimerImpl *aTimer);
+ nsresult TimerDelayChanged(nsTimerImpl *aTimer);
+ nsresult RemoveTimer(nsTimerImpl *aTimer);
+
+#define FILTER_DURATION 1e3 /* one second */
+#define FILTER_FEEDBACK_MAX 100 /* 1/10th of a second */
+
+ void UpdateFilter(PRUint32 aDelay, PRIntervalTime aTimeout,
+ PRIntervalTime aNow);
+
+ // For use by nsTimerImpl::Fire()
+ nsCOMPtr<nsIEventQueueService> mEventQueueService;
+
+ void DoBeforeSleep();
+ void DoAfterSleep();
+
+private:
+ ~TimerThread();
+
+ PRInt32 mInitInProgress;
+ PRBool mInitialized;
+
+ // These two internal helper methods must be called while mLock is held.
+ // AddTimerInternal returns the position where the timer was added in the
+ // list, or -1 if it failed.
+ PRInt32 AddTimerInternal(nsTimerImpl *aTimer);
+ PRBool RemoveTimerInternal(nsTimerImpl *aTimer);
+
+ nsCOMPtr<nsIThread> mThread;
+ PRLock *mLock;
+ PRCondVar *mCondVar;
+
+ PRPackedBool mShutdown;
+ PRPackedBool mWaiting;
+ PRPackedBool mSleeping;
+
+ nsVoidArray mTimers;
+
+#define DELAY_LINE_LENGTH_LOG2 5
+#define DELAY_LINE_LENGTH_MASK PR_BITMASK(DELAY_LINE_LENGTH_LOG2)
+#define DELAY_LINE_LENGTH PR_BIT(DELAY_LINE_LENGTH_LOG2)
+
+ PRInt32 mDelayLine[DELAY_LINE_LENGTH];
+ PRUint32 mDelayLineCounter;
+ PRUint32 mMinTimerPeriod; // milliseconds
+ PRInt32 mTimeoutAdjustment;
+};
+
+#endif /* TimerThread_h___ */