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Publish minor changes to readme and configure files in main directory. Main directory and code directory licence texts are now fully updated. Copied from Perforce Change: 196994
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/* sac.h: SEGREGATED ALLOCATION CACHES INTERFACE
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*
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* $Id$
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* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
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*/
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#ifndef sac_h
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#define sac_h
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#include "mpmtypes.h"
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#include "mpm.h" /* for PoolArena */
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#define sacClassLIMIT ((Count)8)
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/* SAC -- the real segregated allocation caches */
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#define SACSig ((Sig)0x5195AC99) /* SIGnature SAC */
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typedef struct SACStruct *SAC;
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typedef struct SACStruct {
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Sig sig;
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Pool pool;
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Count classesCount; /* number of classes */
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Index middleIndex; /* index of the middle */
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_mps_sac_s esac_s; /* variable length, must be last */
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} SACStruct;
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#define SACOfExternalSAC(esac) PARENT(SACStruct, esac_s, esac)
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#define ExternalSACOfSAC(sac) (&((sac)->esac_s))
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#define SACArena(sac) PoolArena((sac)->pool)
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/* SACClasses -- structure for specifying classes in the cache */
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/* .sacc: This structure must match <code/mps.h#sacc>. */
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typedef struct mps_sac_classes_s *SACClasses;
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extern Res SACCreate(SAC *sac_o, Pool pool, Count classesCount,
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SACClasses classes);
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extern void SACDestroy(SAC sac);
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extern Res SACFill(Addr *p_o, SAC sac, Size size);
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extern void SACEmpty(SAC sac, Addr p, Size size);
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extern void SACFlush(SAC sac);
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#endif /* sac_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
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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
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* distribution.
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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 AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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