SbThreadSemaphore.h

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**=======================================================================*/
/*=======================================================================
** Author      : David Beilloin (May 2007)
**=======================================================================*/
 
 
#ifndef  _SB_THREAD_SEMAPHORE__
#define  _SB_THREAD_SEMAPHORE__
 
#include <Inventor/SbBase.h>
 
class  SbThreadSemaphore {
 
public:
  SbThreadSemaphore(int initialCount, int maxCount = -1);
 
  ~SbThreadSemaphore();
 
  void wait();
  SbBool trywait( const unsigned int timeout_ms = 0);
 
  void release();
 
  void changeCount(int);
 
private:
  void* m_semHandle;
};
 
#endif //  _SB_THREAD_SEMAPHORE__