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b90f8b9bcd
Bring splay tree design up to date; add missing diagrams; move it to the "current" section of the manual. Copied from Perforce Change: 185294 ServerID: perforce.ravenbrook.com
91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
/* cbs.h: CBS -- Coalescing Block Structure
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*
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* $Id$
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* Copyright (c) 2001 Ravenbrook Limited. See end of file for license.
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*
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* .source: <design/cbs/>.
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*/
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#ifndef cbs_h
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#define cbs_h
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#include "arg.h"
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#include "mpmtypes.h"
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#include "mpmst.h"
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#include "range.h"
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#include "splay.h"
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typedef struct CBSBlockStruct *CBSBlock;
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typedef struct CBSBlockStruct {
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TreeStruct treeStruct;
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Addr base;
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Addr limit;
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} CBSBlockStruct;
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typedef struct CBSFastBlockStruct *CBSFastBlock;
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typedef struct CBSFastBlockStruct {
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struct CBSBlockStruct cbsBlockStruct;
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Size maxSize; /* accurate maximum block size of sub-tree */
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} CBSFastBlockStruct;
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typedef struct CBSZonedBlockStruct *CBSZonedBlock;
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typedef struct CBSZonedBlockStruct {
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struct CBSFastBlockStruct cbsFastBlockStruct;
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ZoneSet zones; /* union zone set of all ranges in sub-tree */
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} CBSZonedBlockStruct;
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typedef struct CBSStruct *CBS;
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extern Bool CBSCheck(CBS cbs);
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extern LandClass CBSLandClassGet(void);
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extern LandClass CBSFastLandClassGet(void);
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extern LandClass CBSZonedLandClassGet(void);
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extern const struct mps_key_s _mps_key_cbs_block_pool;
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#define CBSBlockPool (&_mps_key_cbs_block_pool)
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#define CBSBlockPool_FIELD pool
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#endif /* cbs_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
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* All rights reserved. This is an open source license. Contact
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* Ravenbrook for commercial licensing options.
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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 are
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* met:
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*
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* 1. 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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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Redistributions in any form must be accompanied by information on how
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* to obtain complete source code for this software and any accompanying
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* software that uses this software. The source code must either be
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* included in the distribution or be available for no more than the cost
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* of distribution plus a nominal fee, and must be freely redistributable
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* under reasonable conditions. For an executable file, complete source
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* code means the source code for all modules it contains. It does not
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* include source code for modules or files that typically accompany the
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* major components of the operating system on which the executable file
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* runs.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY 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 USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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