unnamed_sem.hpp

/* unnamed_sem.hpp */
/* $Id$ */
#ifndef __unnamed_sem_hpp
#define __unnamed_sem_hpp

#ifdef GE_BUILD
#include <sem.hpp>
#else
#include <dcf/sem.hpp>
#endif

#include <semaphore.h>

namespace dcf
{
  class UnnamedSem : public Sem
  {
  public:
    
    UnnamedSem(int res_num);
    
    virtual ~UnnamedSem();
    
    bool ready() const { return m_is_ready; }
    
    virtual dcf::error_t allocate(int rn = 1);
    
    virtual dcf::error_t release(int rn = 1);
    
    virtual dcf::error_t available(int &rn) const;
       
  protected:
    
    mutable sem_t m_sem;
    
    bool m_is_ready;
    
  private:
    
    UnnamedSem(const UnnamedSem&);
    
    virtual UnnamedSem& operator=(const UnnamedSem&); 
  };
};

#endif /* unnamed_sem.hpp */