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Fixed bug in wait_for_update() that I had introduced.

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Changed option variables to my_bool (to avoid bugs in my_getopt())
Added new thread specific mutex LOCK_delete to be able to free LOCK_thread_count early.
Changed usage of LOCK_thread_count -> LOCK_status for statistics variables
This commit is contained in:
monty@hundin.mysql.fi
2002-08-22 16:50:58 +03:00
parent 4ab6d8c4f7
commit f36f9d00ff
17 changed files with 163 additions and 126 deletions
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13
sql/sql_class.cc
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@ -116,8 +116,8 @@ THD::THD():user_time(0),fatal_error(0),last_insert_id_used(0),
#endif
#ifdef SIGNAL_WITH_VIO_CLOSE
active_vio = 0;
pthread_mutex_init(&active_vio_lock, MY_MUTEX_INIT_FAST);
#endif
pthread_mutex_init(&LOCK_delete, MY_MUTEX_INIT_FAST);
/* Variables with default values */
proc_info="login";
@ -189,6 +189,10 @@ THD::~THD()
{
THD_CHECK_SENTRY(this);
DBUG_ENTER("~THD()");
/* Ensure that no one is using THD */
pthread_mutex_lock(&LOCK_delete);
pthread_mutex_unlock(&LOCK_delete);
/* Close connection */
if (net.vio)
{
@ -217,18 +221,19 @@ THD::~THD()
free_root(&mem_root,MYF(0));
free_root(&transaction.mem_root,MYF(0));
mysys_var=0; // Safety (shouldn't be needed)
#ifdef SIGNAL_WITH_VIO_CLOSE
pthread_mutex_destroy(&active_vio_lock);
#endif
pthread_mutex_destroy(&LOCK_delete);
#ifndef DBUG_OFF
dbug_sentry = THD_SENTRY_GONE;
#endif
DBUG_VOID_RETURN;
}
void THD::awake(bool prepare_to_die)
{
THD_CHECK_SENTRY(this);
safe_mutex_assert_owner(&LOCK_delete);
if (prepare_to_die)
killed = 1;
thr_alarm_kill(real_id);