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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
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#define INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
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/* Copyright (C) 2004 MySQL AB
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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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <my_global.h>
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#include "instance_options.h"
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#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
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#pragma interface
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#endif
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class Instance_map;
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class Instance
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{
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public:
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Instance();
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~Instance();
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int init(const char *name);
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int complete_initialization(Instance_map *instance_map_arg,
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const char *mysqld_path, uint instance_type);
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bool is_running();
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int start();
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int stop();
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/* send a signal to the instance */
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void kill_instance(int signo);
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int is_crashed();
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void set_crash_flag_n_wake_all();
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Instance_map *get_map();
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public:
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enum { DEFAULT_SHUTDOWN_DELAY= 35 };
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Instance_options options;
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private:
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int crashed;
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/*
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Mutex protecting the instance. Currently we use it to avoid the
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double start of the instance. This happens when the instance is starting
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and we issue the start command once more.
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*/
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pthread_mutex_t LOCK_instance;
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/*
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This condition variable is used to wake threads waiting for instance to
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stop in Instance::stop()
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*/
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pthread_cond_t COND_instance_stopped;
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Instance_map *instance_map;
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void remove_pid();
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};
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#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H */
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