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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 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
*/
#ifndef DRIZZLED_LOCK_H
#define DRIZZLED_LOCK_H
#include <vector>
#include <drizzled/thr_lock.h>
#include <drizzled/locking/global.h>
namespace drizzled
{
class Session;
class Table;
class TableList;
class DrizzleLock
{
public:
Table **getTable()
{
return &table[0];
}
THR_LOCK_DATA **getLocks()
{
return &locks[0];
}
size_t sizeTable() const
{
return table.size();
}
void resizeTable(size_t arg)
{
table.resize(arg);
}
size_t sizeLock() const
{
return lock_count;
}
void resetLock()
{
lock_count= 0;
}
void setLock(size_t arg)
{
lock_count= arg;
}
void reset(void);
void unlock(uint32_t count);
DrizzleLock(size_t table_count_arg)
{
table.resize(table_count_arg);
lock_count= table_count_arg * 2;
locks.resize(lock_count);
}
private:
uint32_t lock_count;
std::vector<Table *> table;
std::vector<THR_LOCK_DATA *> locks;
std::vector<THR_LOCK_DATA *> copy_of;
};
/* lockTables() and open_table() flags bits */
#define DRIZZLE_LOCK_IGNORE_GLOBAL_READ_LOCK 0x0001
#define DRIZZLE_LOCK_IGNORE_FLUSH 0x0002
#define DRIZZLE_LOCK_NOTIFY_IF_NEED_REOPEN 0x0004
#define DRIZZLE_OPEN_TEMPORARY_ONLY 0x0008
} /* namespace drizzled */
#endif /* DRIZZLED_LOCK_H */
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