~drizzle-trunk/drizzle/development

/* Copyright (C) 2009 Sun Microsystems, Inc.

  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

#pragma once

#include <drizzled/atomics.h>

#include <drizzled/gettext.h>

#include <drizzled/error.h>

#include <drizzled/plugin/scheduler.h>

#include <drizzled/internal/my_sys.h>

#include <drizzled/sql_parse.h>

#include <string>

namespace multi_thread {

class MultiThreadScheduler: public drizzled::plugin::Scheduler

{

private:

  drizzled::atomic<uint32_t> thread_count;

public:

  MultiThreadScheduler(const char *name_arg): 

    Scheduler(name_arg)

  {

    setStackSize();

    thread_count= 0;

  }

  ~MultiThreadScheduler();

  bool addSession(const drizzled::Session::shared_ptr&);

  void killSessionNow(const drizzled::Session::shared_ptr&);

  void killSession(drizzled::Session*);

  void runSession(drizzled::session_id_t);

private:

  void setStackSize();

};

} // namespace multi_thread