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Bug#13699303 - THREAD POOL PLUGIN IGNORES TIMEOUT.

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PROBLEM: 
mysql provides a feature where in a session which is 
idle for a period specified by the wait_timeout variable
(whose value is in seconds), the session is closed
This feature is not present when we use thread pool.
FIX:
This patch implements the interface functions which is 
required to implement the wait_timeout functionality
in the thread pool plugin.
This commit is contained in:
Thayumanavar
2012-07-25 16:24:18 +05:30
parent aca566d798
commit fa0d2df5ff
2 changed files with 45 additions and 0 deletions
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22
include/mysql/thread_pool_priv.h
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@ -35,6 +35,7 @@
#include <debug_sync.h>
#include <sql_profile.h>
#include <table.h>
#include <sql_list.h>
/* Needed to get access to scheduler variables */
void* thd_get_scheduler_data(THD *thd);
@ -56,9 +57,30 @@ void thd_unlock_data(THD *thd);
bool thd_is_transaction_active(THD *thd);
int thd_connection_has_data(THD *thd);
void thd_set_net_read_write(THD *thd, uint val);
uint thd_get_net_read_write(THD *thd);
void thd_set_mysys_var(THD *thd, st_my_thread_var *mysys_var);
ulong thd_get_net_wait_timeout(THD *thd);
my_socket thd_get_fd(THD *thd);
/* Interface class for global thread list iteration */
class Thread_iterator
{
public:
Thread_iterator() : m_iterator(threads) {}
THD* next()
{
THD* tmp = m_iterator++;
return tmp;
}
private:
/*
Don't allow copying of this class.
*/
Thread_iterator(const Thread_iterator&);
void operator=(const Thread_iterator&);
I_List_iterator<THD> m_iterator;
};
/* Print to the MySQL error log */
void sql_print_error(const char *format, ...);