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MySQL 5.1: mysql/src/5.1-dbg/storage/innobase/usr/usr0sess.c File Reference

mysql/src/5.1-dbg/storage/innobase/usr/usr0sess.c File Reference

#include "usr0sess.h"
#include "trx0trx.h"

Include dependency graph for usr0sess.c:


Functions
static void	sess_close (sess_t *sess)
sess_t *	sess_open (void)
ibool	sess_try_close (sess_t *sess)

Function Documentation

static void sess_close ( sess_t * sess ) [static]

Definition at line 53 of file usr0sess.c.

References kernel_mutex, mem_free, NULL, sess_struct::trx, and ut_ad.

Referenced by sess_try_close().

00055                                   : session object */
00056 {
00057 #ifdef UNIV_SYNC_DEBUG
00058         ut_ad(mutex_own(&kernel_mutex));
00059 #endif /* UNIV_SYNC_DEBUG */
00060         ut_ad(sess->trx == NULL);
00061 
00062         mem_free(sess);
00063 }

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sess_t* sess_open ( void )

Definition at line 29 of file usr0sess.c.

References sess_struct::graphs, kernel_mutex, mem_alloc, SESS_ACTIVE, sess_struct::state, sess_struct::trx, trx_create(), ut_ad, and UT_LIST_INIT.

Referenced by trx_allocate_for_background(), trx_allocate_for_mysql(), trx_purge_sys_create(), and trx_rollback_or_clean_all_without_sess().

00031                                                    : session object */
00032 {
00033         sess_t* sess;
00034 
00035 #ifdef UNIV_SYNC_DEBUG
00036         ut_ad(mutex_own(&kernel_mutex));
00037 #endif /* UNIV_SYNC_DEBUG */
00038         sess = mem_alloc(sizeof(sess_t));
00039 
00040         sess->state = SESS_ACTIVE;
00041 
00042         sess->trx = trx_create(sess);
00043 
00044         UT_LIST_INIT(sess->graphs);
00045 
00046         return(sess);
00047 }

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ibool sess_try_close ( sess_t * sess )

Definition at line 70 of file usr0sess.c.

References FALSE, sess_struct::graphs, kernel_mutex, sess_close(), TRUE, ut_ad, and UT_LIST_GET_LEN.

Referenced by que_graph_try_free().

00072                               : TRUE if closed */
00073         sess_t* sess)   /* in, own: session object */
00074 {
00075 #ifdef UNIV_SYNC_DEBUG
00076         ut_ad(mutex_own(&kernel_mutex));
00077 #endif /* UNIV_SYNC_DEBUG */
00078         if (UT_LIST_GET_LEN(sess->graphs) == 0) {
00079                 sess_close(sess);
00080 
00081                 return(TRUE);
00082         }
00083 
00084         return(FALSE);
00085 }

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Generated on Sat Sep 9 17:54:33 2006 for MySQL 5.1 by

1.4.7

The world's most popular open source database

mysql/src/5.1-dbg/storage/innobase/usr/usr0sess.c File Reference

Functions

Function Documentation