Semaphore.h

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/*
 * $Id: Semaphore.h 562 2007-12-02 08:04:16Z mindstorm2600 $
 *
 * X-VR2 
 * 
 * Copyright (C) Juan V. Guerrero 2007
 * 
 * Juan V. Guerrero <mindstorm2600@users.sourceforge.net>
 * 
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
#ifndef __XVR2_SEMAPHORE_H__
#define __XVR2_SEMAPHORE_H__

#include<xvr2/Threading.h>
#include<xvr2/CoreExceptions.h>
#ifdef USE_POSIX_THREADS
#include<semaphore.h>
#endif

namespace xvr2{
        class Semaphore:public Threading{
                private:
#ifdef USE_POSIX_THREADS
                        sem_t __sem;
#endif
                protected:
                        void init(int x);
                        void destroy();
                public:
                        Semaphore(int x);
                        ~Semaphore();
                        void wait();
                        void trywait();
                        void post();
                        void getvalue(int *x);
        };
}

#endif

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