SbThreadBarrier.h

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**=======================================================================*/
/*=======================================================================
** Author      : Nicolas DAGUISE (Apr 2008)
**=======================================================================*/
 
 
#ifndef _SB_THREAD_BARRIER_H_
#define _SB_THREAD_BARRIER_H_
 
#include <Inventor/SbBase.h>
 
class SbThreadMutex;
class SbThreadSignal;
 
class  SbThreadBarrier
{
 public:
  SbThreadBarrier( int );
 
  virtual ~SbThreadBarrier(void); 
 
  int enter();
 
private:
 
  void tryenter( const unsigned int timeout_ms );
 
private:
 
   int32_t m_numThreads;
   int32_t m_counter;
   SbThreadMutex* m_mutex;
   SbThreadSignal* m_signal;
};
 
#endif //_SB_THREAD_BARRIER_H_