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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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10
sql/mysql_priv.h
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@@ -519,6 +519,10 @@ void sql_print_error(const char *format,...)
__attribute__ ((format (printf, 1, 2)));
bool fn_format_relative_to_data_home(my_string to, const char *name,
const char *dir, const char *extension);
void open_log(MYSQL_LOG *log, const char *hostname,
const char *opt_name, const char *extension,
enum_log_type type, bool read_append = 0,
bool no_auto_events = 0);
extern uint32 server_id;
extern char *mysql_data_home,server_version[SERVER_VERSION_LENGTH],
@@ -550,9 +554,8 @@ extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open,
LOCK_thread_count,LOCK_mapped_file,LOCK_user_locks, LOCK_status,
LOCK_grant, LOCK_error_log, LOCK_delayed_insert,
LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
LOCK_binlog_update, LOCK_slave, LOCK_server_id, LOCK_slave_list;
extern pthread_cond_t COND_refresh,COND_thread_count, COND_binlog_update,
COND_slave_stopped, COND_slave_start;
LOCK_server_id, LOCK_slave_list, LOCK_active_mi;
extern pthread_cond_t COND_refresh,COND_thread_count;
extern pthread_attr_t connection_attrib;
extern bool opt_endinfo, using_udf_functions, locked_in_memory,
opt_using_transactions, use_temp_pool, mysql_embedded;
@@ -588,6 +591,7 @@ extern struct show_var_st init_vars[];
extern struct show_var_st status_vars[];
extern enum db_type default_table_type;
extern enum enum_tx_isolation default_tx_isolation;
extern char glob_hostname[FN_REFLEN];
#ifndef __WIN__
extern pthread_t signal_thread;