mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
118 lines
2.5 KiB
C++
118 lines
2.5 KiB
C++
/*
|
|
Portions Copyright (c) 2015-Present, Facebook, Inc.
|
|
Portions Copyright (c) 2012, Monty Program 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; version 2 of the License.
|
|
|
|
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 */
|
|
#pragma once
|
|
|
|
/* MySQL includes */
|
|
#include "./my_global.h"
|
|
#include <mysql/psi/mysql_table.h>
|
|
#ifdef MARIAROCKS_NOT_YET
|
|
#include <mysql/thread_pool_priv.h>
|
|
#endif
|
|
|
|
/* MyRocks header files */
|
|
#include "./rdb_utils.h"
|
|
|
|
namespace myrocks {
|
|
|
|
class Rdb_thread
|
|
{
|
|
private:
|
|
// Disable Copying
|
|
Rdb_thread(const Rdb_thread&);
|
|
Rdb_thread& operator=(const Rdb_thread&);
|
|
|
|
// Make sure we run only once
|
|
std::atomic_bool m_run_once;
|
|
|
|
pthread_t m_handle;
|
|
|
|
protected:
|
|
mysql_mutex_t m_signal_mutex;
|
|
mysql_cond_t m_signal_cond;
|
|
bool m_stop= false;
|
|
|
|
public:
|
|
Rdb_thread() : m_run_once(false) {}
|
|
|
|
#ifdef HAVE_PSI_INTERFACE
|
|
void init(my_core::PSI_mutex_key stop_bg_psi_mutex_key,
|
|
my_core::PSI_cond_key stop_bg_psi_cond_key);
|
|
int create_thread(
|
|
my_core::PSI_thread_key background_psi_thread_key);
|
|
#else
|
|
void init();
|
|
int create_thread();
|
|
#endif
|
|
|
|
virtual void run(void) = 0;
|
|
|
|
void signal(bool stop_thread= false);
|
|
|
|
int join()
|
|
{
|
|
return pthread_join(m_handle, nullptr);
|
|
}
|
|
|
|
void uninit();
|
|
|
|
virtual ~Rdb_thread() {}
|
|
|
|
private:
|
|
static void* thread_func(void* thread_ptr);
|
|
};
|
|
|
|
|
|
/**
|
|
MyRocks background thread control
|
|
N.B. This is on top of RocksDB's own background threads
|
|
(@see rocksdb::CancelAllBackgroundWork())
|
|
*/
|
|
|
|
class Rdb_background_thread : public Rdb_thread
|
|
{
|
|
private:
|
|
bool m_save_stats= false;
|
|
|
|
void reset()
|
|
{
|
|
mysql_mutex_assert_owner(&m_signal_mutex);
|
|
m_stop= false;
|
|
m_save_stats= false;
|
|
}
|
|
|
|
public:
|
|
virtual void run() override;
|
|
|
|
void request_save_stats()
|
|
{
|
|
mysql_mutex_lock(&m_signal_mutex);
|
|
m_save_stats= true;
|
|
mysql_mutex_unlock(&m_signal_mutex);
|
|
}
|
|
};
|
|
|
|
|
|
/*
|
|
Drop index thread control
|
|
*/
|
|
|
|
struct Rdb_drop_index_thread : public Rdb_thread
|
|
{
|
|
virtual void run() override;
|
|
};
|
|
|
|
} // namespace myrocks
|