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usr0sess.h
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 1k
Category:
MySQL
Development Platform:
Visual C++
- /******************************************************
- 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