129 lines
4.1 KiB
C
129 lines
4.1 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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* A standard header file, adopted from Autobook.
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*
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* http://sources.redhat.com/autobook/
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*
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* The idea behind this file is twofold. First, we want to keep as
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* much of the \#ifdef portability nonsense in here as possible.
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* Second, we allow users to \#include headers that in turn \#include
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* common.h. If they do so, then their code should continue to 'do
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* the right thing' and build, even though they do not \#include the
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* config.h file that all of the LLADD stuff uses.
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*
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* @todo Need to make sure every .c file actually includes this thing, and
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* also includes constants.h, and that no .h files include config.h
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*
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* $Id$
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*/
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//#define NDEBUG 1
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#ifndef __lladd_common_h
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#define __lladd_common_h
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#ifdef __cplusplus
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# define BEGIN_C_DECLS extern "C" {
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# define END_C_DECLS }
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#else /* !__cplusplus */
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# define BEGIN_C_DECLS
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# define END_C_DECLS
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#endif /* __cplusplus */
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#include <stdint.h> // uint32, et. al.
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#include <limits.h>
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/* Should be included by the .c files only. :( */
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/*#if HAVE_CONFIG_H
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# include "config.h"
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#endif */
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#elif HAVE_STRINGS_H
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# include <strings.h>
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#endif /*STDC_HEADERS*/
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if HAVE_ERRNO_H
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# include <errno.h>
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#endif /*HAVE_ERRNO_H*/
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#ifndef errno
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/* Some systems #define this! */
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extern int errno;
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#endif
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//#define byte unsigned char
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//#define lsn_t long
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typedef unsigned char byte;
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//@todo lsn_t should be unsigned.
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// If it were unsigned, it could be typedef'ed from size_t.
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typedef long long lsn_t;
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#define LSN_T_MAX INT64_MAX
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typedef long long pageid_t;
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#define PAGEID_T_MAX INT64_MAX
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/*#define DEBUGGING */
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/*#define PROFILE_LATCHES*/
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/*#define NO_LATCHES */
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#ifdef DEBUGGING
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/** @todo Files that use DEBUG have to pull in stdio.h, which is a pain! */
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#define DEBUG(...) \
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printf(__VA_ARGS__); fflush(NULL)
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#else
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#define DEBUG(...)
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#include "compensations.h"
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#endif /*DEBUGGING*/
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#endif /* __lladd_common_h */
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