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59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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*/
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#ifndef nsMemory_h__
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#define nsMemory_h__
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#include "nsIMemory.h"
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/**
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* Static helper routines to manage memory. These routines allow easy access
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* to xpcom's built-in (global) nsIMemory implementation, without needing
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* to go through the service manager to get it. However this requires clients
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* to link with the xpcom DLL.
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*/
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class nsMemory
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{
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public:
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static NS_EXPORT void* Alloc(size_t size);
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static NS_EXPORT void* Realloc(void* ptr, size_t size);
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static NS_EXPORT void Free(void* ptr);
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static NS_EXPORT nsresult HeapMinimize();
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static NS_EXPORT nsresult RegisterObserver(nsIMemoryPressureObserver* obs);
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static NS_EXPORT nsresult UnregisterObserver(nsIMemoryPressureObserver* obs);
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static NS_EXPORT void* Clone(const void* ptr, size_t size);
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static NS_EXPORT nsIMemory* GetGlobalMemoryService(); // AddRefs
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};
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// ProgID/CID for the global memory service:
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#define NS_MEMORY_PROGID "component://mozilla/xpcom/memory-service"
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#define NS_MEMORY_CLASSNAME "Global Memory Service"
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#define NS_MEMORY_CID \
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{ /* 30a04e40-38e7-11d4-8cf5-0060b0fc14a3 */ \
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0x30a04e40, \
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0x38e7, \
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0x11d4, \
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{0x8c, 0xf5, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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#endif // nsMemory_h__
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