replication_thread_status.h

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/*
   Copyright (c) 2021, 2023, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   documentation.  The authors of MySQL hereby grant you an additional
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   separately licensed software that they have included with MySQL.
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef CHANGE_STREAM_REPLICATION_THREAD_STATUS_H_
#define CHANGE_STREAM_REPLICATION_THREAD_STATUS_H_
 
#include "sql/rpl_mi.h"
 
/**
  This method locks both (in this order)
    mi->run_lock
    rli->run_lock
 
  @param mi The associated master info object
 
  @note this method shall be invoked while locking mi->m_channel_lock
  for writes. This is due to the mixed order in which these locks are released
  and acquired in such method as the slave threads start and stop methods.
*/
void lock_slave_threads(Master_info *mi);
 
/**
  Unlock replica master and relay log info locks.
 
  @param mi the repo info object that contains the lock
*/
void unlock_slave_threads(Master_info *mi);
 
/**
  Find out which replications threads are running
 
  @param mask                   Return value here
  @param mi                     master_info for slave
  @param inverse                If set, returns which threads are not running
  @param ignore_monitor_thread  If set, ignores monitor io thread
 
  IMPLEMENTATION
    Get a bit mask for which threads are running.
*/
void init_thread_mask(int *mask, Master_info *mi, bool inverse,
                      bool ignore_monitor_thread = false);
 
#endif /* CHANGE_STREAM_REPLICATION_THREAD_STATUS_H_ */