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Viewing changes to plugin/innobase/include/usr0sess.h

  • Committer: Daniel Nichter
  • Date: 2011-10-23 16:01:37 UTC
  • mto: This revision was merged to the branch mainline in revision 2448.
  • Revision ID: daniel@percona.com-20111023160137-7ac3blgz8z4tf8za
Add Administration Getting Started and Logging.  Capitalize SQL clause keywords.

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plugin/innobase/include/usr0sess.h
 
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/*****************************************************************************
 
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Copyright (C) 1996, 2009, Innobase Oy. All Rights Reserved.
 
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This program is free software; you can redistribute it and/or modify it under
 
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the terms of the GNU General Public License as published by the Free Software
 
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Foundation; version 2 of the License.
 
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This program is distributed in the hope that it will be useful, but WITHOUT
 
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
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You should have received a copy of the GNU General Public License along with
 
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this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
 
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St, Fifth Floor, Boston, MA 02110-1301 USA
 
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*****************************************************************************/
 
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/**************************************************//**
 
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@file include/usr0sess.h
 
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Sessions
 
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Created 6/25/1996 Heikki Tuuri
 
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*******************************************************/
 
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#pragma once
 
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#ifndef usr0sess_h
 
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#define usr0sess_h
 
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#include "univ.i"
 
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#include "ut0byte.h"
 
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#include "trx0types.h"
 
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#include "srv0srv.h"
 
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#include "trx0types.h"
 
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#include "usr0types.h"
 
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#include "que0types.h"
 
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#include "data0data.h"
 
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#include "rem0rec.h"
 
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/*********************************************************************//**
 
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Opens a session.
 
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@return own: session object */
 
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UNIV_INTERN
 
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sess_t*
 
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sess_open(void);
 
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/*============*/
 
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/*********************************************************************//**
 
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Closes a session, freeing the memory occupied by it. */
 
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UNIV_INTERN
 
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void
 
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sess_close(
 
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/*=======*/
 
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        sess_t*         sess);          /* in, own: session object */
 
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/* The session handle. All fields are protected by the kernel mutex */
 
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struct sess_struct{
 
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        ulint           state;          /*!< state of the session */
 
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        trx_t*          trx;            /*!< transaction object permanently
 
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                                        assigned for the session: the
 
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                                        transaction instance designated by the
 
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                                        trx id changes, but the memory
 
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                                        structure is preserved */
 
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        UT_LIST_BASE_NODE_T(que_t)
 
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                        graphs;         /*!< query graphs belonging to this
 
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                                        session */
 
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};
 
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/* Session states */
 
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#define SESS_ACTIVE             1
 
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#define SESS_ERROR              2       /* session contains an error message
 
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                                        which has not yet been communicated
 
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                                        to the client */
 
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#ifndef UNIV_NONINL
 
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#include "usr0sess.ic"
 
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#endif
 
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#endif