/* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.

  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 */

#ifndef PFS_EVENTS_STAGES_H
#define PFS_EVENTS_STAGES_H

/**
  @file storage/perfschema/pfs_events_stages.h
  Events waits data structures (declarations).
*/

#include "pfs_events.h"

struct PFS_thread;
struct PFS_account;
struct PFS_user;
struct PFS_host;

/** A stage record. */
struct PFS_events_stages : public PFS_events
{
  /* No specific attributes */
};

void insert_events_stages_history(PFS_thread *thread, PFS_events_stages *stage);
void insert_events_stages_history_long(PFS_events_stages *stage);

extern bool flag_events_stages_current;
extern bool flag_events_stages_history;
extern bool flag_events_stages_history_long;

extern bool events_stages_history_long_full;
extern volatile uint32 events_stages_history_long_index;
extern PFS_events_stages *events_stages_history_long_array;
extern ulong events_stages_history_long_size;

int init_events_stages_history_long(uint events_stages_history_long_sizing);
void cleanup_events_stages_history_long();

void reset_events_stages_current();
void reset_events_stages_history();
void reset_events_stages_history_long();
void reset_events_stages_by_thread();
void reset_events_stages_by_account();
void reset_events_stages_by_user();
void reset_events_stages_by_host();
void reset_events_stages_global();
void aggregate_account_stages(PFS_account *account);
void aggregate_user_stages(PFS_user *user);
void aggregate_host_stages(PFS_host *host);

#endif