Condition.h

/*
 * Copyright (C) 2006-2008 by Marc Boris Duerner
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public License.
 * 
 * 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 PT_SYSTEM_CONDITION_H
#define PT_SYSTEM_CONDITION_H

#include <Pt/System/Api.h>
#include <Pt/System/Mutex.h>
#include <Pt/NonCopyable.h>
#include <cstddef>

namespace Pt {

namespace System {

    class PT_SYSTEM_API Condition : private NonCopyable
    {
        public:
            Condition();

            ~Condition();

            void wait(Mutex& mtx);

            void wait(MutexLock& m)
            { this->wait( m.mutex() ); }

            bool wait(Mutex& mtx, unsigned int ms);

            bool wait( MutexLock& m, unsigned int ms)
            { return this->wait( m.mutex(), ms ); }

            void signal();

            void broadcast();

        private:
            class ConditionImpl* _impl;
    };

} // namespace System

} // namespace Pt

#endif // PT_SYSTEM_CONDITION_H