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Fix for bug#28075 COM_DEBUG crashes mysqld

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Uninitialized in the constructor member variables were
pointing to nirvana and causing a crash when debug information
of the Event Scheduler was dumped in result to COM_DEBUG
packet sent to the server.


sql/event_queue.cc:
  Initialize member variables or they will point to
  nirvana and could possible cause a crash during
  dumping of debug information.
sql/event_queue.h:
  remove unneeded line
sql/event_scheduler.cc:
  Initialize member variables or they will point to
  nirvana and could possible cause a crash during
  dumping of debug information.
sql/event_scheduler.h:
  remove unneeded state
This commit is contained in:
unknown 2007-05-21 10:51:11 +02:00
commit 3da4eef700
4 changed files with 19 additions and 9 deletions
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15
sql/event_queue.cc
View file

@ -70,10 +70,14 @@ event_queue_element_compare_q(void *vptr, byte* a, byte *b)
*/
Event_queue::Event_queue()
:mutex_last_locked_at_line(0), mutex_last_unlocked_at_line(0),
:next_activation_at(0),
mutex_last_locked_at_line(0),
mutex_last_unlocked_at_line(0),
mutex_last_locked_in_func("n/a"),
mutex_last_unlocked_in_func("n/a"),
mutex_last_attempted_lock_in_func("n/a"),
mutex_last_attempted_lock_at_line(0),
mutex_queue_data_locked(FALSE),
next_activation_at(0),
mutex_queue_data_attempting_lock(FALSE)
{
mutex_last_unlocked_in_func= mutex_last_locked_in_func=
@ -739,8 +743,11 @@ Event_queue::dump_internal_status()
MYSQL_TIME time;
my_tz_UTC->gmt_sec_to_TIME(&time, next_activation_at);
printf("Next activation : %04d-%02d-%02d %02d:%02d:%02d\n",
time.year, time.month, time.day, time.hour, time.minute, time.second);
if (time.year != 1970)
printf("Next activation : %04d-%02d-%02d %02d:%02d:%02d\n",
time.year, time.month, time.day, time.hour, time.minute, time.second);
else
printf("Next activation : never");
DBUG_VOID_RETURN;
}