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BDB 4.1.24

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This commit is contained in:
ram@mysql.r18.ru
2002-10-30 15:57:05 +04:00
parent 1c0f1712ca
commit 5e09392faa
1191 changed files with 171164 additions and 58171 deletions
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143
bdb/cxx/cxx_txn.cpp
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@ -1,136 +1,81 @@
/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998, 1999, 2000
* Copyright (c) 1997-2002
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: cxx_txn.cpp,v 11.13 2000/12/21 16:24:33 dda Exp $";
static const char revid[] = "$Id: cxx_txn.cpp,v 11.27 2002/07/20 13:50:11 dda Exp $";
#endif /* not lint */
#include <errno.h>
#include "db_cxx.h"
#include "cxx_int.h"
#include "dbinc/cxx_int.h"
////////////////////////////////////////////////////////////////////////
// //
// DbTxnMgr //
// //
////////////////////////////////////////////////////////////////////////
#include "db_int.h"
int DbEnv::txn_begin(DbTxn *pid, DbTxn **tid, u_int32_t flags)
{
int err;
DB_ENV *env = unwrap(this);
DB_TXN *txn;
if ((err = ::txn_begin(env, unwrap(pid), &txn, flags)) != 0) {
DB_ERROR("DbEnv::txn_begin", err, error_policy());
return (err);
}
DbTxn *result = new DbTxn();
result->imp_ = wrap(txn);
*tid = result;
return (err);
// Helper macro for simple methods that pass through to the
// underlying C method. It may return an error or raise an exception.
// Note this macro expects that input _argspec is an argument
// list element (e.g., "char *arg") and that _arglist is the arguments
// that should be passed through to the C method (e.g., "(db, arg)")
//
#define DBTXN_METHOD(_name, _delete, _argspec, _arglist) \
int DbTxn::_name _argspec \
{ \
int ret; \
DB_TXN *txn = unwrap(this); \
\
ret = txn->_name _arglist; \
/* Weird, but safe if we don't access this again. */ \
if (_delete) \
delete this; \
if (!DB_RETOK_STD(ret)) \
DB_ERROR("DbTxn::" # _name, ret, ON_ERROR_UNKNOWN); \
return (ret); \
}
int DbEnv::txn_checkpoint(u_int32_t kbyte, u_int32_t min, u_int32_t flags)
{
int err;
DB_ENV *env = unwrap(this);
if ((err = ::txn_checkpoint(env, kbyte, min, flags)) != 0 &&
err != DB_INCOMPLETE) {
DB_ERROR("DbEnv::txn_checkpoint", err, error_policy());
return (err);
}
return (err);
}
int DbEnv::txn_stat(DB_TXN_STAT **statp, db_malloc_fcn_type db_malloc_fcn)
{
int err;
DB_ENV *env = unwrap(this);
if ((err = ::txn_stat(env, statp, db_malloc_fcn)) != 0) {
DB_ERROR("DbEnv::txn_stat", err, error_policy());
return (err);
}
return (err);
}
////////////////////////////////////////////////////////////////////////
// //
// DbTxn //
// //
////////////////////////////////////////////////////////////////////////
// private constructor, never called but needed by some C++ linkers
DbTxn::DbTxn()
: imp_(0)
{
}
DbTxn::DbTxn(DB_TXN *txn)
: imp_(wrap(txn))
{
txn->api_internal = this;
}
DbTxn::~DbTxn()
{
}
int DbTxn::abort()
{
int err;
DB_TXN *txn;
txn = unwrap(this);
err = txn_abort(txn);
// It may seem weird to delete this, but is legal as long
// as we don't access any of its data before returning.
//
delete this;
if (err != 0)
DB_ERROR("DbTxn::abort", err, ON_ERROR_UNKNOWN);
return (err);
}
int DbTxn::commit(u_int32_t flags)
{
int err;
DB_TXN *txn;
txn = unwrap(this);
err = txn_commit(txn, flags);
// It may seem weird to delete this, but is legal as long
// as we don't access any of its data before returning.
//
delete this;
if (err != 0)
DB_ERROR("DbTxn::commit", err, ON_ERROR_UNKNOWN);
return (err);
}
DBTXN_METHOD(abort, 1, (), (txn))
DBTXN_METHOD(commit, 1, (u_int32_t flags), (txn, flags))
DBTXN_METHOD(discard, 1, (u_int32_t flags), (txn, flags))
u_int32_t DbTxn::id()
{
DB_TXN *txn;
txn = unwrap(this);
return (txn_id(txn)); // no error
return (txn->id(txn)); // no error
}
int DbTxn::prepare()
DBTXN_METHOD(prepare, 0, (u_int8_t *gid), (txn, gid))
DBTXN_METHOD(set_timeout, 0, (db_timeout_t timeout, u_int32_t flags),
(txn, timeout, flags))
// static method
DbTxn *DbTxn::wrap_DB_TXN(DB_TXN *txn)
{
int err;
DB_TXN *txn;
txn = unwrap(this);
if ((err = txn_prepare(txn)) != 0) {
DB_ERROR("DbTxn::prepare", err, ON_ERROR_UNKNOWN);
return (err);
}
return (0);
DbTxn *wrapped_txn = get_DbTxn(txn);
if (wrapped_txn == NULL)
wrapped_txn = new DbTxn(txn);
return wrapped_txn;
}