OsBSem.h

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//  
// Copyright (C) 2006 SIPez LLC. 
// Licensed to SIPfoundry under a Contributor Agreement. 
//
// Copyright (C) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp.  All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$


#ifndef _OsBSem_h_
#define _OsBSem_h_

// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsDefs.h"
#include "os/OsSyncBase.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS

class OsBSemBase : public OsSyncBase
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:

   enum InitialSemaphoreState
   {
      EMPTY = 0,  
      FULL  = 1   
   };

   enum QueueOptions
   {
      Q_FIFO     = 0x0, 
      Q_PRIORITY = 0x1  
   };

/* ============================ CREATORS ================================== */

/* ============================ MANIPULATORS ============================== */

   virtual OsStatus acquire(const OsTime& rTimeout = OsTime::OS_INFINITY) = 0;

   virtual OsStatus tryAcquire(void) = 0;
   virtual OsStatus release(void) = 0;

/* ============================ ACCESSORS ================================= */

   virtual void OsBSemShow(void) = 0;

/* ============================ INQUIRY =================================== */

/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
   int mOptions;  

   int mTaskId;   

   OsBSemBase()  {  };

   virtual
      ~OsBSemBase()  {  };

/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:

   OsBSemBase(const OsBSemBase& rOsBSemBase);

   OsBSemBase& operator=(const OsBSemBase& rhs);

};

/* ============================ INLINE METHODS ============================ */

#if defined(_WIN32)
#  include "os/Wnt/OsBSemWnt.h"
   typedef class OsBSemWnt OsBSem;
#elif defined(_VXWORKS)
#  include "os/Vxw/OsBSemVxw.h"
   typedef class OsBSemVxw OsBSem;
#elif defined(__pingtel_on_posix__)
#  include "os/linux/OsBSemLinux.h"
   typedef class OsBSemLinux OsBSem;
#else
#  error Unsupported target platform.
#endif

#endif  // _OsBSem_h_