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56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIPageManager_h__
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#define nsIPageManager_h__
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#include "nsISupports.h"
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#define NS_PAGEMGR_PAGE_BITS 12 // 4k pages
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#define NS_PAGEMGR_PAGE_SIZE (1 << NS_PAGEMGR_PAGE_BITS)
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#define NS_PAGEMGR_PAGE_MASK (NS_PAGEMGR_PAGE_SIZE - 1)
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#define NS_PAGEMGR_PAGE_COUNT(bytes) (((bytes) + NS_PAGEMGR_PAGE_MASK) >> NS_PAGEMGR_PAGE_BITS)
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#define NS_IPAGEMANAGER_IID \
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{ /* bea98210-fb7b-11d2-9324-00104ba0fd40 */ \
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0xbea98210, \
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0xfb7b, \
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0x11d2, \
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{0x93, 0x24, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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#define NS_PAGEMANAGER_CID \
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{ /* cac907e0-fb7b-11d2-9324-00104ba0fd40 */ \
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0xcac907e0, \
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0xfb7b, \
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0x11d2, \
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{0x93, 0x24, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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class nsIPageManager : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IPAGEMANAGER_IID);
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NS_IMETHOD AllocPages(PRUint32 pageCount, void* *result) = 0;
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NS_IMETHOD DeallocPages(PRUint32 pageCount, void* pages) = 0;
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};
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#endif // nsIPageManager_h__
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