71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*****************************************************************************
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Copyright (c) 1996, 2018, Oracle and/or its affiliates. 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, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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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, version 2.0,
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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.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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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#ifndef usr0sess_h
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#define usr0sess_h
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#include "data0data.h"
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#include "que0types.h"
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#include "rem0rec.h"
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#include "srv0srv.h"
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#include "trx0types.h"
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#include "univ.i"
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#include "usr0types.h"
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#include "ut0byte.h"
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/** Opens a session.
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@return own: session object */
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sess_t *sess_open(void);
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/** Closes a session, freeing the memory occupied by it. */
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void sess_close(sess_t *sess); /* in, own: session object */
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/* The session handle. This data structure is only used by purge and is
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not really necessary. We should get rid of it. */
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struct sess_t {
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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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};
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/* Session states */
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#define SESS_ACTIVE 1
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#define SESS_ERROR \
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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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#include "usr0sess.ic"
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#endif
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