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Added a separate lock for start/stop/reset slave.

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This solves some possible dead locks when one calls stop slave while slave
is starting.
This commit is contained in:
Monty 2017-01-29 23:44:24 +02:00 • committed by Sergei Golubchik
commit c5e25c8b40
9 changed files with 132 additions and 59 deletions
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2
sql/mysqld.h
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@ -266,7 +266,7 @@ extern PSI_mutex_key key_BINLOG_LOCK_index, key_BINLOG_LOCK_xid_list,
key_LOCK_thd_data,
key_LOCK_user_conn, key_LOG_LOCK_log,
key_master_info_data_lock, key_master_info_run_lock,
key_master_info_sleep_lock,
key_master_info_sleep_lock, key_master_info_start_stop_lock,
key_mutex_slave_reporting_capability_err_lock, key_relay_log_info_data_lock,
key_relay_log_info_log_space_lock, key_relay_log_info_run_lock,
key_rpl_group_info_sleep_lock,