← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

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

  • Committer: Lee
  • Date: 2008-10-30 22:02:01 UTC
  • mto: (572.1.2 devel)
  • mto: This revision was merged to the branch mainline in revision 573.
  • Revision ID: lbieber@lbieber-desktop-20081030220201-elb6qprbzpn7c5a4
add my name to the AUTHORS file

Show diffs side-by-side

added added

removed removed

Lines of Context:
plugin/innobase/include/usr0sess.h
1
 
/*****************************************************************************
2
 
 
3
 
Copyright (C) 1996, 2009, Innobase Oy. All Rights Reserved.
4
 
 
5
 
This program is free software; you can redistribute it and/or modify it under
6
 
the terms of the GNU General Public License as published by the Free Software
7
 
Foundation; version 2 of the License.
8
 
 
9
 
This program is distributed in the hope that it will be useful, but WITHOUT
10
 
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11
 
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12
 
 
13
 
You should have received a copy of the GNU General Public License along with
14
 
this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
15
 
St, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
*****************************************************************************/
18
 
 
19
 
/**************************************************//**
20
 
@file include/usr0sess.h
21
 
Sessions
22
 
 
23
 
Created 6/25/1996 Heikki Tuuri
24
 
*******************************************************/
25
 
 
26
 
#ifndef usr0sess_h
27
 
#define usr0sess_h
28
 
 
29
 
#include "univ.i"
30
 
#include "ut0byte.h"
31
 
#include "trx0types.h"
32
 
#include "srv0srv.h"
33
 
#include "trx0types.h"
34
 
#include "usr0types.h"
35
 
#include "que0types.h"
36
 
#include "data0data.h"
37
 
#include "rem0rec.h"
38
 
 
39
 
/*********************************************************************//**
40
 
Opens a session.
41
 
@return own: session object */
42
 
UNIV_INTERN
43
 
sess_t*
44
 
sess_open(void);
45
 
/*============*/
46
 
/*********************************************************************//**
47
 
Closes a session, freeing the memory occupied by it. */
48
 
UNIV_INTERN
49
 
void
50
 
sess_close(
51
 
/*=======*/
52
 
        sess_t*         sess);          /* in, own: session object */
53
 
 
54
 
/* The session handle. All fields are protected by the kernel mutex */
55
 
struct sess_struct{
56
 
        ulint           state;          /*!< state of the session */
57
 
        trx_t*          trx;            /*!< transaction object permanently
58
 
                                        assigned for the session: the
59
 
                                        transaction instance designated by the
60
 
                                        trx id changes, but the memory
61
 
                                        structure is preserved */
62
 
        UT_LIST_BASE_NODE_T(que_t)
63
 
                        graphs;         /*!< query graphs belonging to this
64
 
                                        session */
65
 
};
66
 
 
67
 
/* Session states */
68
 
#define SESS_ACTIVE             1
69
 
#define SESS_ERROR              2       /* session contains an error message
70
 
                                        which has not yet been communicated
71
 
                                        to the client */
72
 
#ifndef UNIV_NONINL
73
 
#include "usr0sess.ic"
74
 
#endif
75
 
 
76
 
#endif