author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 26 Oct 2009 08:28:45 +0200 | |
changeset 15 | 60c5402cb945 |
parent 11 | c8a366e56285 |
child 18 | a758fa0cb043 |
permissions | -rw-r--r-- |
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/* |
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* ============================================================================== |
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* Name : OOMHandler.h |
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* Part of : Webcore / Platform |
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* Interface : |
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* Description : |
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* Version : %Version% |
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* |
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* Copyright (c) 2006, Nokia Corporation |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of the Nokia Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* |
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* ============================================================================== |
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*/ |
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#ifndef __OOMHANDLER_H__ |
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#define __OOMHANDLER_H__ |
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#include <e32def.h> |
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#include "MemoryManager.h" |
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namespace WebCore { |
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/* |
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* This handles collecting memory when OOM occurs, by clearing the cache. |
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* The StopScheduler has two collection modes, low and middle priority. |
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* When memory is at a certain threshold, all collectors low and above are called. |
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* When memory is at a critical threshold, all collectors middle and above are called. |
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* We want the cache to always clear whenever OOM happens so this collector's |
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* priority is high. |
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*/ |
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class OOMHandler : public MMemoryCollector |
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{ |
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public: |
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OOMHandler(); |
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virtual ~OOMHandler(); |
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// from collector |
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TUint Collect(TUint aRequired); |
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void Restore(); |
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TOOMPriority Priority() { return EOOM_PriorityHigh; } |
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}; |
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} |
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#endif // END OF FILE |