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Here comes a nasty patch, although I am not ready to push it yet. I will

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first pull, merge,test, and get it to work.

The main change is the new replication code - now we have two slave threads
SQL thread and I/O thread. I have also re-written a lot of the code to 
prepare for multi-master implementation. 

I also documented IO_CACHE quite extensively and to some extend, THD class.
This commit is contained in:
sasha@mysql.sashanet.com
2002-01-19 19:16:52 -07:00
parent f481272998
commit 56129ce634
39 changed files with 2464 additions and 1032 deletions
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11
libmysqld/lib_sql.cc
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@ -396,8 +396,8 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups)
(void) pthread_mutex_init(&LOCK_bytes_sent,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_bytes_received,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_timezone,MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_binlog_update, MY_MUTEX_INIT_FAST); // QQ NOT USED
(void) pthread_mutex_init(&LOCK_slave, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_slave_io, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_slave_sql, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_server_id, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
(void) pthread_cond_init(&COND_thread_count,NULL);
@ -406,8 +406,11 @@ int STDCALL mysql_server_init(int argc, char **argv, char **groups)
(void) pthread_cond_init(&COND_flush_thread_cache,NULL);
(void) pthread_cond_init(&COND_manager,NULL);
(void) pthread_cond_init(&COND_binlog_update, NULL);
(void) pthread_cond_init(&COND_slave_stopped, NULL);
(void) pthread_cond_init(&COND_slave_start, NULL);
(void) pthread_cond_init(&COND_slave_log_update, NULL);
(void) pthread_cond_init(&COND_slave_sql_stop, NULL);
(void) pthread_cond_init(&COND_slave_sql_start, NULL);
(void) pthread_cond_init(&COND_slave_sql_stop, NULL);
(void) pthread_cond_init(&COND_slave_sql_start, NULL);
if (set_default_charset_by_name(default_charset, MYF(MY_WME)))
{