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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2001-2002
* Sleepycat Software. All rights reserved.
*
* $Id: fileops.src,v 1.8 2002/04/06 18:25:55 bostic Exp $
*/
PREFIX __fop
DBPRIVATE
INCLUDE #include "db_config.h"
INCLUDE
INCLUDE #ifndef NO_SYSTEM_INCLUDES
INCLUDE #include <sys/types.h>
INCLUDE
INCLUDE #include <ctype.h>
INCLUDE #include <string.h>
INCLUDE #endif
INCLUDE
INCLUDE #include "db_int.h"
INCLUDE #include "dbinc/crypto.h"
INCLUDE #include "dbinc/db_page.h"
INCLUDE #include "dbinc/db_dispatch.h"
INCLUDE #include "dbinc/db_am.h"
INCLUDE #include "dbinc/log.h"
INCLUDE #include "dbinc/rep.h"
INCLUDE #include "dbinc/txn.h"
INCLUDE #include "dbinc/fop.h"
INCLUDE
/*
* create -- create a file system object.
*
* name: name in the file system
* appname: indicates if the name needs to go through __db_appname
* mode: file system mode
*/
BEGIN create 143
DBT name DBT s
ARG appname u_int32_t lu
ARG mode u_int32_t o
END
/*
* remove -- remove a file system object.
*
* name: name in the file system
* appname: indicates if the name needs to go through __db_appname
*/
BEGIN remove 144
DBT name DBT s
DBT fid DBT s
ARG appname u_int32_t lu
END
/*
* write: log the writing of data into an object.
*
* name: file containing the page.
* appname: indicates if the name needs to go through __db_appname
* offset: offset in the file.
* page: the actual meta-data page.
* flag: non-0 indicates that this is a tempfile, so we needn't undo
* these modifications (we'll toss the file).
*/
BEGIN write 145
DBT name DBT s
ARG appname u_int32_t lu
ARG offset u_int32_t lu
PGDBT page DBT s
ARG flag u_int32_t lu
END
/*
* rename: move a file from one name to another.
* The appname value indicates if this is a path name that should be used
* directly (i.e., no interpretation) or if it is a pathname that should
* be interpreted via calls to __db_appname. The fileid is the 20-byte
* DB fileid of the file being renamed. We need to check it on recovery
* so that we don't inadvertently overwrite good files.
*/
BEGIN rename 146
DBT oldname DBT s
DBT newname DBT s
DBT fileid DBT s
ARG appname u_int32_t lu
END
/*
* File removal record. This is a DB-level log record that indicates
* we've just completed some form of file removal. The purpose of this
* log record is to logically identify the particular instance of the
* named file so that during recovery, in deciding if we should roll-forward
* a remove or a rename, we can make sure that we don't roll one forward and
* delete or overwrite the wrong file.
* real_fid: The 20-byte unique file identifier of the original file being
* removed.
* tmp_fid: The unique fid of the tmp file that is removed.
* name: The pre- __db_appname name of the file
* child: The transaction that removed or renamed the file.
*/
*/
BEGIN file_remove 141
DBT real_fid DBT s
DBT tmp_fid DBT s
DBT name DBT s
ARG appname u_int32_t lu
ARG child u_int32_t lx
END
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