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// -*- C++ -*-
//=============================================================================
/**
* @file LF_Follower.h
*
* $Id$
*
* @author Carlos O'Ryan <coryan@uci.edu>
*/
//=============================================================================
#ifndef TAO_LF_FOLLOWER_H
#define TAO_LF_FOLLOWER_H
#include "ace/pre.h"
#include "tao/orbconf.h"
#include "tao/TAO_Export.h"
#include "ace/Synch.h"
#include "ace/Intrusive_List_Node.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_Leader_Follower;
/**
* @class TAO_LF_Follower
*
* @brief Represent a thread blocked, as a follower, in the
* Leader/Followers set.
*
* @todo Currently this class offers little abstraction, the follower
* loop should be implemented by this class.
*
*/
class TAO_Export TAO_LF_Follower : public ACE_Intrusive_List_Node<TAO_LF_Follower>
{
public:
/// Constructor
TAO_LF_Follower (TAO_Leader_Follower &leader_follower);
/// Destructor
~TAO_LF_Follower (void);
/// Access the leader follower that owns this follower
TAO_Leader_Follower &leader_follower (void);
/// Wait until on the underlying condition variable
int wait (ACE_Time_Value *tv);
/// Signal the underlying condition variable
int signal (void);
private:
/// The Leader/Follower set this Follower belongs to
TAO_Leader_Follower &leader_follower_;
/// Condition variable used to
ACE_SYNCH_CONDITION condition_;
};
#if defined (__ACE_INLINE__)
# include "tao/LF_Follower.inl"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* TAO_LF_FOLLOWER_H */
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