128 lines
4 KiB
C
128 lines
4 KiB
C
/*---
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This software is copyrighted by the Regents of the University of
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California, and other parties. The following terms apply to all files
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associated with the software unless explicitly disclaimed in
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individual files.
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose,
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provided that existing copyright notices are retained in all copies
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and that this notice is included verbatim in any distributions. No
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written agreement, license, or royalty fee is required for any of the
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authorized uses. Modifications to this software may be copyrighted by
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their authors and need not follow the licensing terms described here,
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provided that the new terms are clearly indicated on the first page of
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each file where they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
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THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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GOVERNMENT USE: If you are acquiring this software on behalf of the
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U.S. government, the Government shall have only "Restricted Rights" in
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the software and related documentation as defined in the Federal
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Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
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acquiring the software on behalf of the Department of Defense, the
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software shall be classified as "Commercial Computer Software" and the
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Government shall have only "Restricted Rights" as defined in Clause
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252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
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authors grant the U.S. Government and others acting in its behalf
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permission to use and distribute the software in accordance with the
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terms specified in this license.
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---*/
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/**
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* @file
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*
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* defines various constants
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*
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* @todo Sometime, LLADD's #includes need to be cleaned up. In
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* particular, we should make sure everything directly or indirectly
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* includes this file, common.h, and constants.h
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*
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* @ingroup LLADD_CORE
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*
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* $Id$
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*/
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#ifndef __CONSTANTS_H__
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#define __CONSTANTS_H__
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/*#define DEBUG 1*/
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#define LOG_FILE "logfile.txt"
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#define STORE_FILE "storefile.txt"
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#define BLOB0_FILE "blob0_file.txt"
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#define BLOB1_FILE "blob1_file.txt"
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/* @define error codes
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*/
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#define OUT_OF_MEM 1
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#define FILE_OPEN_ERROR 2
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#define FILE_READ_ERROR 3
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#define FILE_WRITE_ERROR 4
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#define FILE_WRITE_OPEN_ERROR 5
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#define MEM_WRITE_ERROR 6
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#define PAGE_SIZE 4096
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/*#define MAX_BUFFER_SIZE 100003 */
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/*#define MAX_BUFFER_SIZE 10007 */
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#define MAX_BUFFER_SIZE 71
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/* 71 */
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#define BUFFER_ASOOCIATIVE 2
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#define MAX_TRANSACTIONS 32
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/** Operation types */
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#define NO_INVERSE -1
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#define OPERATION_SET 0
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#define OPERATION_INCREMENT 1
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#define OPERATION_DECREMENT 2
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#define OPERATION_ALLOC 3
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#define OPERATION_PREPARE 4
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#define OPERATION_LHINSERT 5
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#define OPERATION_LHREMOVE 6
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#define OPERATION_DEALLOC 7
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/* number above should be less than number below */
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#define MAX_OPERATIONS 20
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/** @todo undocumented */
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#define INVALID_SLOT PAGE_SIZE
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#define NORMAL_SLOT (PAGE_SIZE + 1)
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#define BLOB_SLOT (PAGE_SIZE + 2)
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/** @todo should be sizeof(blob_record_t) */
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#define BLOB_REC_SIZE 12
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#define BLOB_THRESHOLD_SIZE (PAGE_SIZE-30)
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#define BITS_PER_BYTE 8
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/** Log entry types. (Not to be confused with operation types, which are more interesting.) */
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/*
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Definitions for different types of logs
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*/
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#define UPDATELOG 1
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#define XBEGIN 2
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#define XCOMMIT 3
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#define XABORT 4
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/* Folded into update log entries */
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/*#define XALLOC 5*/
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/** XEND is used for after a transaction is aborted or commited, and some
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* additional steps are taken and then the XEND is written */
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#define XEND 6
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#define CLRLOG 7
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#endif
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