1 files changed, 61 insertions, 0 deletions
diff --git a/storage/innobase/include/usr0sess.h b/storage/innobase/include/usr0sess.h
new file mode 100644
index 00000000000..c7bcfb20fed
--- /dev/null
+++ b/storage/innobase/include/usr0sess.h
@@ -0,0 +1,61 @@
+/******************************************************
+Sessions
+
+(c) 1996 Innobase Oy
+
+Created 6/25/1996 Heikki Tuuri
+*******************************************************/
+
+#ifndef usr0sess_h
+#define usr0sess_h
+
+#include "univ.i"
+#include "ut0byte.h"
+#include "trx0types.h"
+#include "srv0srv.h"
+#include "trx0types.h"
+#include "usr0types.h"
+#include "que0types.h"
+#include "data0data.h"
+#include "rem0rec.h"
+
+/*************************************************************************
+Opens a session. */
+
+sess_t*
+sess_open(void);
+/*============*/
+					/* out, own: session object */
+/*************************************************************************
+Closes a session, freeing the memory occupied by it, if it is in a state
+where it should be closed. */
+
+ibool
+sess_try_close(
+/*===========*/
+				/* out: TRUE if closed */
+	sess_t*		sess);	/* in, own: session object */
+
+/* The session handle. All fields are protected by the kernel mutex */
+struct sess_struct{
+	ulint		state;		/* state of the session */
+	trx_t*		trx;		/* transaction object permanently
+					assigned for the session: the
+					transaction instance designated by the
+					trx id changes, but the memory
+					structure is preserved */
+	UT_LIST_BASE_NODE_T(que_t)
+			graphs;		/* query graphs belonging to this
+					session */
+};
+
+/* Session states */
+#define SESS_ACTIVE		1
+#define SESS_ERROR		2	/* session contains an error message
+					which has not yet been communicated
+					to the client */
+#ifndef UNIV_NONINL
+#include "usr0sess.ic"
+#endif
+
+#endif