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emacs/mps/code/cbs.h
Peter Jackson 1d00afac81 Publish licence updates in code directory.
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
2020-06-11 17:05:40 +01:00

85 lines
2.8 KiB
C

/* cbs.h: CBS -- Coalescing Block Structure
*
* $Id$
* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
*
* .source: <design/cbs>.
*/
#ifndef cbs_h
#define cbs_h
#include "arg.h"
#include "mpmtypes.h"
#include "mpm.h"
#include "mpmst.h"
#include "rangetree.h"
#include "splay.h"
typedef struct CBSFastBlockStruct *CBSFastBlock;
typedef struct CBSFastBlockStruct {
struct RangeTreeStruct rangeTreeStruct;
Size maxSize; /* accurate maximum block size of sub-tree */
} CBSFastBlockStruct;
typedef struct CBSZonedBlockStruct *CBSZonedBlock;
typedef struct CBSZonedBlockStruct {
struct CBSFastBlockStruct cbsFastBlockStruct;
ZoneSet zones; /* union zone set of all ranges in sub-tree */
} CBSZonedBlockStruct;
typedef struct CBSStruct *CBS, *CBSFast, *CBSZoned;
extern Bool CBSCheck(CBS cbs);
/* CBSLand -- convert CBS to Land
*
* We would like to use MustBeA(Land, cbs) for this, but it produces
* bogus warnings about strict aliasing from GCC 4.7 (and probably
* 4.8). We can abolish this macro when those are no longer in use in
* MPS development.
*/
#define CBSLand(cbs) (&(cbs)->landStruct)
DECLARE_CLASS(Land, CBS, Land);
DECLARE_CLASS(Land, CBSFast, CBS);
DECLARE_CLASS(Land, CBSZoned, CBSFast);
extern const struct mps_key_s _mps_key_cbs_block_pool;
#define CBSBlockPool (&_mps_key_cbs_block_pool)
#define CBSBlockPool_FIELD pool
#endif /* cbs_h */
/* C. COPYRIGHT AND LICENSE
*
* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/