threadID.h

/* Copyright (c) 2010-2012, Stefan Eilemann <eile@eyescale.ch>
 *                    2012, Daniel Nachbaur <danielnachbaur@gmail.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 LUNCHBOX_THREADID_H
#define LUNCHBOX_THREADID_H

#include <lunchbox/api.h>     // LUNCHBOX_API definition

#include <ostream>

namespace lunchbox
{
namespace detail { class ThreadID; }

    class ThreadID
    {
    public:
        LUNCHBOX_API ThreadID();

        LUNCHBOX_API ThreadID( const ThreadID& from );

        LUNCHBOX_API ~ThreadID();

        LUNCHBOX_API ThreadID& operator = ( const ThreadID& from );

        LUNCHBOX_API bool operator == ( const ThreadID& rhs ) const;

        LUNCHBOX_API bool operator != ( const ThreadID& rhs ) const;
        
        LUNCHBOX_API static const ThreadID ZERO; 

    private:
        detail::ThreadID* const _impl;
        friend class Thread;

        friend LUNCHBOX_API 
        std::ostream& operator << ( std::ostream& os, const ThreadID& );
    };

    LUNCHBOX_API std::ostream& operator << ( std::ostream&, const ThreadID& );
}
#endif // LUNCHBOX_THREADID_H