1 files changed, 68 insertions, 0 deletions
diff --git a/storage/innobase/usr/usr0sess.cc b/storage/innobase/usr/usr0sess.cc
new file mode 100644
index 00000000000..ab7ba6bea09
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+++ b/storage/innobase/usr/usr0sess.cc
@@ -0,0 +1,68 @@
+/*****************************************************************************
+
+Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved.
+
+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;
+
+	UT_LIST_INIT(sess->graphs);
+
+	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);
+}