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#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
#define INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
/* Copyright (C) 2004 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <my_global.h>
#include "instance_options.h"
#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
#pragma interface
#endif
class Instance_map;
class Instance
{
public:
Instance();
~Instance();
int init(const char *name);
int complete_initialization(Instance_map *instance_map_arg,
const char *mysqld_path, uint instance_type);
bool is_running();
int start();
int stop();
/* send a signal to the instance */
void kill_instance(int signo);
int is_crashed();
void set_crash_flag_n_wake_all();
Instance_map *get_map();
public:
enum { DEFAULT_SHUTDOWN_DELAY= 35 };
Instance_options options;
private:
int crashed;
/*
Mutex protecting the instance. Currently we use it to avoid the
double start of the instance. This happens when the instance is starting
and we issue the start command once more.
*/
pthread_mutex_t LOCK_instance;
/*
This condition variable is used to wake threads waiting for instance to
stop in Instance::stop()
*/
pthread_cond_t COND_instance_stopped;
Instance_map *instance_map;
void remove_pid();
};
#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H */
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