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110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: ML 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 Mozilla code.
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Pearce <chris@pearce.org.nz>
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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 nsOggHacks_h
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#define nsOggHacks_h
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// This file contains stuff we'd rather put elsewhere, but which is
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// dependent on other changes which we don't want to wait for. We plan to
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// remove this file in the near future.
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// This belongs in prtypes.h
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/************************************************************************
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* MACROS: PR_INT64_MAX
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* PR_INT64_MIN
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* PR_UINT64_MAX
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* DESCRIPTION:
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* The maximum and minimum values of a PRInt64 or PRUint64.
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************************************************************************/
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#define PR_INT64_MAX (~((PRInt64)(1) << 63))
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#define PR_INT64_MIN (-PR_INT64_MAX - 1)
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#define PR_UINT64_MAX (~(PRUint64)(0))
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// This belongs in xpcom/monitor/Monitor.h, once we've made
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// mozilla::Monitor non-reentrant.
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namespace mozilla {
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/**
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* MonitorAutoExit
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* Exit the Monitor when it enters scope, and enters it when it leaves
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* scope.
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*
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* MUCH PREFERRED to bare calls to Monitor.Exit and Enter.
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*/
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class MonitorAutoExit
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{
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public:
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/**
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* Constructor
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* The constructor releases the given lock. The destructor
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* acquires the lock. The lock must be held before constructing
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* this object!
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*
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* @param aMonitor A valid mozilla::Monitor* returned by
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* mozilla::Monitor::NewMonitor. It must be
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* already locked.
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**/
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MonitorAutoExit(mozilla::Monitor &aMonitor) :
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mMonitor(&aMonitor)
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{
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NS_ASSERTION(mMonitor, "null monitor");
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mMonitor->AssertCurrentThreadIn();
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mMonitor->Exit();
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}
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~MonitorAutoExit(void)
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{
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mMonitor->Enter();
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}
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private:
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MonitorAutoExit();
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MonitorAutoExit(const MonitorAutoExit&);
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MonitorAutoExit& operator =(const MonitorAutoExit&);
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static void* operator new(size_t) CPP_THROW_NEW;
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static void operator delete(void*);
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mozilla::Monitor* mMonitor;
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};
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} // namespace mozilla
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#endif
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