Source/WebCore/platform/sql/SQLiteDatabaseTracker.h

/*
 * Copyright (C) 2010, 2012 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SQLiteDatabaseTracker_h
#define SQLiteDatabaseTracker_h

#include "SQLiteDatabaseTrackerClient.h"

namespace WebCore {

namespace SQLiteDatabaseTracker {

WEBCORE_EXPORT void decrementTransactionInProgressCount();
WEBCORE_EXPORT void incrementTransactionInProgressCount();

WEBCORE_EXPORT void setClient(SQLiteDatabaseTrackerClient*);

WEBCORE_EXPORT bool hasTransactionInProgress();

};

class SQLiteTransactionInProgressAutoCounter {
public:
    SQLiteTransactionInProgressAutoCounter()
    {
        SQLiteDatabaseTracker::incrementTransactionInProgressCount();
    }
    ~SQLiteTransactionInProgressAutoCounter()
    {
        SQLiteDatabaseTracker::decrementTransactionInProgressCount();
    }
};

} // namespace WebCore

#endif // SQLiteDatabaseTracker_h