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75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: sbm.h
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* DESCRIPTION: Sparse bit map block definitions
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or 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 was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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* 2002.10.29 Sean Leyne - Removed obsolete "Netware" port
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*
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* 2002.10.30 Sean Leyne - Removed support for obsolete "PC_PLATFORM" define
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*
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*/
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#ifndef JRD_SBM_H
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#define JRD_SBM_H
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#include "../common/classes/sparse_bitmap.h"
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namespace Jrd {
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// Bitmap of record numbers
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typedef Firebird::SparseBitmap<FB_UINT64> RecordBitmap;
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// Bitmap of page numbers
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typedef Firebird::SparseBitmap<ULONG> PageBitmap;
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// Bitmap of generic 32-bit integers
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typedef Firebird::SparseBitmap<ULONG> UInt32Bitmap;
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// Bitmap of transaction numbers
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typedef Firebird::SparseBitmap<TraNumber> TransactionBitmap;
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// Please do not try to turn these macros to inline routines simply.
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// They are used in very performance-sensitive places and we don't want
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// pool thread-specific pool pointer be expanded unless necessary.
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//
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// Only if you kill thread-specific pool usage (which is certainly incorrect now)
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// you may eliminate these macros safely.
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// Bitmap of 64-bit record numbers
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#define RBM_SET(POOL_PTR, BITMAP_PPTR, VALUE) \
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(*(BITMAP_PPTR) ? *(BITMAP_PPTR) : (*(BITMAP_PPTR) = FB_NEW_POOL(*(POOL_PTR)) Jrd::RecordBitmap(*(POOL_PTR))))->set(VALUE)
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// Bitmap of 32-bit integers
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#define SBM_SET(POOL_PTR, BITMAP_PPTR, VALUE) \
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(*(BITMAP_PPTR) ? *(BITMAP_PPTR) : (*(BITMAP_PPTR) = FB_NEW_POOL(*(POOL_PTR)) Jrd::UInt32Bitmap(*(POOL_PTR))))->set(VALUE)
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// Bitmap of page numbers
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#define PBM_SET(POOL_PTR, BITMAP_PPTR, VALUE) \
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(*(BITMAP_PPTR) ? *(BITMAP_PPTR) : (*(BITMAP_PPTR) = FB_NEW_POOL(*(POOL_PTR)) Jrd::PageBitmap(*(POOL_PTR))))->set(VALUE)
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// Bitmap of transaction numbers
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#define TBM_SET(POOL_PTR, BITMAP_PPTR, VALUE) \
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(*(BITMAP_PPTR) ? *(BITMAP_PPTR) : (*(BITMAP_PPTR) = FB_NEW_POOL(*(POOL_PTR)) Jrd::TransactionBitmap(*(POOL_PTR))))->set(VALUE)
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} //namespace Jrd
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#endif // JRD_SBM_H
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