mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 05:22:25 +01:00
a00824b53b
BitKeeper/deleted/.del-srv0que.c~d1feebb77b5a9b96: Exclude BitKeeper/deleted/.del-srv0que.h~f12ecb4b5afe203e: Exclude innobase/include/que0que.h: Exclude innobase/include/trx0roll.h: Exclude innobase/include/trx0trx.h: Exclude innobase/include/usr0sess.h: Exclude innobase/que/que0que.c: Exclude innobase/srv/Makefile.am: Exclude innobase/include/Makefile.am: Exclude innobase/srv/srv0srv.c: Exclude innobase/trx/trx0purge.c: Exclude innobase/trx/trx0roll.c: Exclude innobase/trx/trx0trx.c: Exclude innobase/usr/usr0sess.c: Exclude
61 lines
1.5 KiB
C
61 lines
1.5 KiB
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
|