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/*-----------------------------------------------------------------
LOG
GEM - Graphics Environment for Multimedia
- locks a thread (wrapper around pthread's cond_t)
Copyright (c) 2011-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_
#define _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_
#include "Gem/ExportDef.h"
namespace gem {
namespace thread {
class GEM_EXTERN Semaphore {
private:
class PIMPL;
PIMPL*m_pimpl;
public:
Semaphore(void);
virtual ~Semaphore(void);
Semaphore(const Semaphore&);
/** block the current thread until the Semaphore is thaw()ed again */
void freeze (void);
/** unblock any waiting threads */
void thaw (void);
virtual Semaphore&operator=(const Semaphore&);
};
};
};
#endif /* _INCLUDE__GEM_GEM_THREADSEMAPHORE_H_ */
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