Function should_stop

sql/sql_repl.cc:3010–3019

}

static bool should_stop(binlog_send_info *info, bool kill_server_check= false)
{
  return
    info->net->error ||
    info->net->vio == NULL ||
    (info->thd->killed &&
     (info->thd->killed != KILL_SERVER || kill_server_check)) ||
    info->error != 0 ||
    info->should_stop;
}

/**
 * wait for new events to enter binlog