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Merge quant.(none):/ext/mysql/bkroot/mysql-5.0-rpl

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into  quant.(none):/ext/mysql/bk/mysql-5.0-bug25306


sql/slave.cc:
  Auto merged
This commit is contained in:
unknown 2007-02-23 01:28:24 +01:00
commit 44bdb07028
2 changed files with 19 additions and 8 deletions
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19
sql/slave.cc
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@ -3758,8 +3758,13 @@ err:
mi->abort_slave= 0;
mi->slave_running= 0;
mi->io_thd= 0;
pthread_mutex_unlock(&mi->run_lock);
/*
Note: the order of the two following calls (first broadcast, then unlock)
is important. Otherwise a killer_thread can execute between the calls and
delete the mi structure leading to a crash! (see BUG#25306 for details)
*/
pthread_cond_broadcast(&mi->stop_cond); // tell the world we are done
pthread_mutex_unlock(&mi->run_lock);
#ifndef DBUG_OFF
if (abort_slave_event_count && !events_till_abort)
goto slave_begin;
@ -3977,8 +3982,13 @@ the slave SQL thread with \"SLAVE START\". We stopped at log \
THD_CHECK_SENTRY(thd);
delete thd;
pthread_mutex_unlock(&LOCK_thread_count);
pthread_cond_broadcast(&rli->stop_cond);
/*
Note: the order of the broadcast and unlock calls below (first broadcast, then unlock)
is important. Otherwise a killer_thread can execute between the calls and
delete the mi structure leading to a crash! (see BUG#25306 for details)
*/
pthread_cond_broadcast(&rli->stop_cond);
#ifndef DBUG_OFF
/*
Bug #19938 Valgrind error (race) in handle_slave_sql()
@ -3986,9 +3996,8 @@ the slave SQL thread with \"SLAVE START\". We stopped at log \
*/
const int eta= rli->events_till_abort;
#endif
// tell the world we are done
pthread_mutex_unlock(&rli->run_lock);
pthread_mutex_unlock(&rli->run_lock); // tell the world we are done
#ifndef DBUG_OFF // TODO: reconsider the code below
if (abort_slave_event_count && !eta)
goto slave_begin;