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93 lines
3.8 KiB
C
93 lines
3.8 KiB
C
/* freelist.h: FREE LIST ALLOCATOR INTERFACE
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*
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* $Id$
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* Copyright (c) 2013 Ravenbrook Limited. See end of file for license.
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*
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* .source: <design/freelist/>.
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*/
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#ifndef freelist_h
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#define freelist_h
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#include "cbs.h"
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#include "mpmtypes.h"
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#include "range.h"
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#define FreelistSig ((Sig)0x519F6331) /* SIGnature FREEL */
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typedef struct FreelistStruct *Freelist;
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typedef union FreelistBlockUnion *FreelistBlock;
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typedef Bool (*FreelistIterateMethod)(Bool *deleteReturn, Range range,
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void *closureP, Size closureS);
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typedef struct FreelistStruct {
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Sig sig;
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Align alignment;
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FreelistBlock list;
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Count listSize;
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} FreelistStruct;
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extern Bool FreelistCheck(Freelist fl);
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extern Res FreelistInit(Freelist fl, Align alignment);
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extern void FreelistFinish(Freelist fl);
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extern Res FreelistInsert(Range rangeReturn, Freelist fl, Range range);
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extern Res FreelistDelete(Range rangeReturn, Freelist fl, Range range);
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extern Res FreelistDescribe(Freelist fl, mps_lib_FILE *stream);
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extern void FreelistIterate(Freelist abq, FreelistIterateMethod iterate,
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void *closureP, Size closureS);
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extern Bool FreelistFindFirst(Range rangeReturn, Range oldRangeReturn,
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Freelist fl, Size size, FindDelete findDelete);
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extern Bool FreelistFindLast(Range rangeReturn, Range oldRangeReturn,
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Freelist fl, Size size, FindDelete findDelete);
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extern Bool FreelistFindLargest(Range rangeReturn, Range oldRangeReturn,
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Freelist fl, Size size, FindDelete findDelete);
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extern void FreelistFlushToCBS(Freelist fl, CBS cbs);
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#endif /* freelist.h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2013 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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