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Merge Innodb Plugin 1.0.6 from mysql-5.1-bugteam storage/innodb_plugin to mysql-trunk-merge.

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Merging revisions 3221 to 3230 from mysql-5.1-bugteam
This commit is contained in:
Satya B
2009-12-02 19:30:50 +05:30
parent 37360afb21 3606e59cfe
commit c6c12db965
79 changed files with 1444 additions and 410 deletions
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37
storage/innobase/usr/usr0sess.c
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@ -31,14 +31,6 @@ Created 6/25/1996 Heikki Tuuri
#include "trx0trx.h"
/*********************************************************************//**
Closes a session, freeing the memory occupied by it. */
static
void
sess_close(
/*=======*/
sess_t* sess); /*!< in, own: session object */
/*********************************************************************//**
Opens a session.
@return own: session object */
@ -64,35 +56,16 @@ sess_open(void)
/*********************************************************************//**
Closes a session, freeing the memory occupied by it. */
static
UNIV_INTERN
void
sess_close(
/*=======*/
sess_t* sess) /*!< in, own: session object */
{
ut_ad(mutex_own(&kernel_mutex));
ut_ad(sess->trx == NULL);
ut_ad(!mutex_own(&kernel_mutex));
ut_a(UT_LIST_GET_LEN(sess->graphs) == 0);
trx_free_for_background(sess->trx);
mem_free(sess);
}
/*********************************************************************//**
Closes a session, freeing the memory occupied by it, if it is in a state
where it should be closed.
@return TRUE if closed */
UNIV_INTERN
ibool
sess_try_close(
/*===========*/
sess_t* sess) /*!< in, own: session object */
{
ut_ad(mutex_own(&kernel_mutex));
if (UT_LIST_GET_LEN(sess->graphs) == 0) {
sess_close(sess);
return(TRUE);
}
return(FALSE);
}