timedLock.h

/* Copyright (c) 2005-2011, Stefan Eilemann <eile@equalizergraphics.com> 
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * This library 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef COBASE_TIMEDLOCK_H
#define COBASE_TIMEDLOCK_H

#include <co/base/api.h>
#include <co/base/condition.h> // member
#include <co/base/nonCopyable.h> // base class
#include <co/base/types.h>

namespace co
{
namespace base
{
    class TimedLock : public NonCopyable
    {
    public:
        COBASE_API TimedLock();

        COBASE_API ~TimedLock();

        COBASE_API bool set( const uint32_t timeout = EQ_TIMEOUT_INDEFINITE );

        COBASE_API void unset();

        COBASE_API bool trySet();

        bool isSet() { return _locked; }

    private:
        Condition _condition;
        bool _locked;
    };
}
}
#endif //COBASE_TIMEDLOCK_H