98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef DELAYED_PLUGIN_INITIALIZATION_INCLUDE
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#define DELAYED_PLUGIN_INITIALIZATION_INCLUDE
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#include "plugin/group_replication/include/plugin_handlers/read_mode_handler.h"
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class Delayed_initialization_thread {
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public:
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Delayed_initialization_thread();
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/**
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The class destructor
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*/
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~Delayed_initialization_thread();
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/**
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The thread handler.
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@return
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@retval 0 OK
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@retval !=0 Error
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*/
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int initialization_thread_handler();
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/**
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Initialize a thread where the plugin services will be initialized
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@return the operation status
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@retval 0 OK
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@retval !=0 Error
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*/
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int launch_initialization_thread();
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/**
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Signals the plugin initialization thread that the server is ready.
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*/
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void signal_thread_ready();
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/**
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Wait for the initialization thread to do its job.
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*/
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void wait_for_thread_end();
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/**
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Signal that the read mode is set on the server.
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*/
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void signal_read_mode_ready();
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/**
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Wait for the read mode to be set by the thread process.
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*/
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void wait_for_read_mode();
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private:
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// Delayed_initialization_thread variables
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/* Delayed_initialization_thread state */
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thread_state delayed_thd_state;
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/* Is the server ready*/
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bool is_server_ready;
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/* Is the read mode already set*/
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bool is_super_read_only_set;
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/* Thread related structures */
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my_thread_handle delayed_init_pthd;
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// run conditions and locks
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mysql_mutex_t run_lock;
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mysql_cond_t run_cond;
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mysql_mutex_t server_ready_lock;
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mysql_cond_t server_ready_cond;
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};
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#endif /* DELAYED_PLUGIN_INITIALIZATION_INCLUDE */
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