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// $Id$
// Multi_Priority_Mapping.h,v 1.0
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Multi_Priority_Mapping.h
//
// = DESCRIPTION
// Declares a priority mapping to support cross platform communication.
//
// = AUTHOR
// Brian Mendel (brian.r.mendel@boeing.com)
//
// ============================================================================
#ifndef TAO_MULTI_PRIORITY_MAPPING_H
#define TAO_MULTI_PRIORITY_MAPPING_H
#include "tao/orbconf.h"
#include "tao/RTCORBA/Priority_Mapping.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_Export TAO_Multi_Priority_Mapping : public TAO_Priority_Mapping
{
//
// = TITLE
// An implementation of the Priority_Mapping interface for communication between different platforms
//
// = DESCRIPTION
// This implementation uses a custom mapping between the range of
// priorities for a given scheduling class (ACE_SCHED_OTHER,
// ACE_SCHED_FIFO, ACE_SCHED_RR) and the valid range of CORBA
// priorities (0...32767)
//
public:
TAO_Multi_Priority_Mapping (int base_native_priority, // The native priority to use for the highest priority endpoint
int base_corba_priority, // The corba priority to use for the highest priority endpoint
int priority_spacing = 1, // The priority increment to use between endpoints
int priorities_contiguous = 1, // Some platforms do use contiguous priorities
int policy = ACE_SCHED_FIFO); // The scheduling policy to use.
// Default constructor
virtual ~TAO_Multi_Priority_Mapping (void);
// The destructor
virtual CORBA::Boolean
to_native (RTCORBA::Priority corba_priority,
RTCORBA::NativePriority &native_priority);
virtual CORBA::Boolean
to_CORBA (RTCORBA::NativePriority native_priority,
RTCORBA::Priority &corba_priority);
private:
int base_native_priority_;
int base_corba_priority_;
// The base settings
const int priority_spacing_;
const int priorities_contiguous_;
int policy_;
// The scheduling policy
int min_;
int max_;
// The range
};
#if defined (__ACE_INLINE__)
# include "tao/RTCORBA/Multi_Priority_Mapping.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_MULTI_PRIORITY_MAPPING_H */
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