ReentrantLock.h

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/*
 * Copyright (c) 2004 X-Way Rights BV
 *
 * 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.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _CLASS_BEE_UTIL_CONCURRENT_LOCKS_REENTRANTLOCK_H
#define _CLASS_BEE_UTIL_CONCURRENT_LOCKS_REENTRANTLOCK_H

#ifdef __cplusplus

#include "beecrypt/c++/lang/Object.h"
using beecrypt::lang::Object;
#include "beecrypt/c++/util/concurrent/locks/Condition.h"
using beecrypt::util::concurrent::locks::Condition;
#include "beecrypt/c++/util/concurrent/locks/Lock.h"
using beecrypt::util::concurrent::locks::Lock;

namespace beecrypt {
    namespace util {
        namespace concurrent {
            namespace locks {
                class BEECRYPTCXXAPI ReentrantLock : public Object, public virtual Lock
                {
                private:
                    class BEECRYPTCXXAPI Cond : public Object, public virtual Condition
                    {
                    private:
                        Object* lock;

                    public:
                        Cond(Object*);
                        virtual ~Cond() {}

                        virtual void await() throw (InterruptedException);
                        virtual void awaitUninterruptibly();
                        virtual void signal();
                        virtual void signalAll();
                    };

                    bool _fair;

                public:
                    ReentrantLock(bool fair = false);
                    virtual ~ReentrantLock() {}

                    virtual void lock();
                    virtual void lockInterruptibly() throw (InterruptedException);
                    virtual Condition* newCondition();
                    virtual bool tryLock();
                    virtual void unlock();
                };
            }
        }
    }
}

#endif

#endif