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/*****************************************************************************
Copyright (c) 1996, 2023, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/usr0sess.h
Sessions
Created 6/25/1996 Heikki Tuuri
*******************************************************/
#ifndef usr0sess_h
#define usr0sess_h
#include "univ.i"
#include "ut0byte.h"
#include "trx0types.h"
#include "srv0srv.h"
#include "trx0types.h"
#include "usr0types.h"
#include "que0types.h"
#include "data0data.h"
#include "rem0rec.h"
/*********************************************************************//**
Opens a session.
@return own: session object */
sess_t*
sess_open(void);
/*============*/
/*********************************************************************//**
Closes a session, freeing the memory occupied by it. */
void
sess_close(
/*=======*/
sess_t* sess); /* in, own: session object */
/* The session handle. This data structure is only used by purge and is
not really necessary. We should get rid of it. */
struct sess_t{
ulint state; /*!< state of the session */
trx_t* trx; /*!< transaction object permanently
assigned for the session: the
transaction instance designated by the
trx id changes, but the memory
structure is preserved */
};
/* Session states */
#define SESS_ACTIVE 1
#define SESS_ERROR 2 /* session contains an error message
which has not yet been communicated
to the client */
#ifndef UNIV_NONINL
#include "usr0sess.ic"
#endif
#endif