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110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1997-2002
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* Sleepycat Software. All rights reserved.
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*/
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#include "db_config.h"
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#ifndef lint
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static const char revid[] = "$Id: cxx_mpool.cpp,v 11.20 2002/07/03 21:03:53 bostic Exp $";
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#endif /* not lint */
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#include <errno.h>
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#include "db_cxx.h"
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#include "dbinc/cxx_int.h"
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#include "db_int.h"
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// Helper macros for simple methods that pass through to the
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// underlying C method. It may return an error or raise an exception.
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// Note this macro expects that input _argspec is an argument
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// list element (e.g., "char *arg") and that _arglist is the arguments
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// that should be passed through to the C method (e.g., "(mpf, arg)")
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//
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#define DB_MPOOLFILE_METHOD(_name, _argspec, _arglist, _retok) \
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int DbMpoolFile::_name _argspec \
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{ \
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int ret; \
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DB_MPOOLFILE *mpf = unwrap(this); \
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\
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if (mpf == NULL) \
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ret = EINVAL; \
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else \
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ret = mpf->_name _arglist; \
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if (!_retok(ret)) \
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DB_ERROR("DbMpoolFile::"#_name, ret, ON_ERROR_UNKNOWN); \
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return (ret); \
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}
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#define DB_MPOOLFILE_METHOD_VOID(_name, _argspec, _arglist) \
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void DbMpoolFile::_name _argspec \
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{ \
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DB_MPOOLFILE *mpf = unwrap(this); \
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\
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mpf->_name _arglist; \
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}
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////////////////////////////////////////////////////////////////////////
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// //
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// DbMpoolFile //
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// //
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////////////////////////////////////////////////////////////////////////
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DbMpoolFile::DbMpoolFile()
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: imp_(0)
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{
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}
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DbMpoolFile::~DbMpoolFile()
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{
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}
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int DbMpoolFile::close(u_int32_t flags)
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{
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DB_MPOOLFILE *mpf = unwrap(this);
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int ret;
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if (mpf == NULL)
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ret = EINVAL;
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else
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ret = mpf->close(mpf, flags);
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imp_ = 0; // extra safety
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// This may seem weird, but is legal as long as we don't access
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// any data before returning.
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delete this;
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if (!DB_RETOK_STD(ret))
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DB_ERROR("DbMpoolFile::close", ret, ON_ERROR_UNKNOWN);
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return (ret);
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}
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DB_MPOOLFILE_METHOD(get, (db_pgno_t *pgnoaddr, u_int32_t flags, void *pagep),
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(mpf, pgnoaddr, flags, pagep), DB_RETOK_MPGET)
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DB_MPOOLFILE_METHOD_VOID(last_pgno, (db_pgno_t *pgnoaddr), (mpf, pgnoaddr))
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DB_MPOOLFILE_METHOD(open,
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(const char *file, u_int32_t flags, int mode, size_t pagesize),
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(mpf, file, flags, mode, pagesize), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(put, (void *pgaddr, u_int32_t flags),
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(mpf, pgaddr, flags), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD_VOID(refcnt, (db_pgno_t *pgnoaddr), (mpf, pgnoaddr))
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DB_MPOOLFILE_METHOD(set, (void *pgaddr, u_int32_t flags),
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(mpf, pgaddr, flags), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(set_clear_len, (u_int32_t len),
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(mpf, len), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(set_fileid, (u_int8_t *fileid),
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(mpf, fileid), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(set_ftype, (int ftype),
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(mpf, ftype), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(set_lsn_offset, (int32_t offset),
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(mpf, offset), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD(set_pgcookie, (DBT *dbt),
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(mpf, dbt), DB_RETOK_STD)
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DB_MPOOLFILE_METHOD_VOID(set_unlink, (int ul), (mpf, ul))
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DB_MPOOLFILE_METHOD(sync, (),
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(mpf), DB_RETOK_STD)
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