summaryrefslogtreecommitdiff
path: root/storage/innobase/usr/usr0sess.cc
blob: e1bd71ff1a0025aa9ff207c634426a0ec75af1f3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/*****************************************************************************

Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, MariaDB Corporation.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.

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 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 usr/usr0sess.cc
Sessions

Created 6/25/1996 Heikki Tuuri
*******************************************************/

#include "usr0sess.h"

#ifdef UNIV_NONINL
#include "usr0sess.ic"
#endif

#include "trx0trx.h"

/*********************************************************************//**
Opens a session.
@return	own: session object */
UNIV_INTERN
sess_t*
sess_open(void)
/*===========*/
{
	sess_t*	sess;

	sess = static_cast<sess_t*>(mem_zalloc(sizeof(*sess)));

	sess->state = SESS_ACTIVE;

	sess->trx = trx_allocate_for_background();
	sess->trx->sess = sess;

	return(sess);
}

/*********************************************************************//**
Closes a session, freeing the memory occupied by it. */
UNIV_INTERN
void
sess_close(
/*=======*/
	sess_t*	sess)	/*!< in, own: session object */
{
	ut_a(UT_LIST_GET_LEN(sess->graphs) == 0);

	trx_free_for_background(sess->trx);
	mem_free(sess);
}