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/* -*- C++ -*- */
//=============================================================================
/**
* @file Consumer_Signal_Handler.h
*
* Definition of the Consumer_Signal_Handler class.
*
* @author Kirthika Parameswaran <kirthika@cs.wustl.edu>
*/
//=============================================================================
#ifndef CONSUMER_SIGNAL_HANDLER_H
#define CONSUMER_SIGNAL_HANDLER_H
#include "ace/Reactor.h"
#include "ace/Event_Handler.h"
#include "Consumer_Handler.h"
class Consumer_Handler;
/**
* @class Consumer_Signal_Handler
*
* @brief Creating a class to handle signal events.
*
* Since only signals need to be handled, only the <handle_signal> method
* is overlaoded.
*/
class Consumer_Signal_Handler : public ACE_Event_Handler
{
public:
/// The consumer_handler refernce will be used to access the servant
/// methods.
Consumer_Signal_Handler (Consumer_Handler *consumer_handler);
/// This method takes action on an signal event.
int handle_signal (int signum,
siginfo_t*,
ucontext_t*);
/**
* For removal of the signal handler from the dispatch tables. When
* the handle_signal () returns < 0 this method will be executed
* automatically.
*/
int handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask close_mask);
protected:
/// Protected destructor so that the signal handler is always created
/// dynamically and hence the heap doesnt get corrupted.
~Consumer_Signal_Handler (void);
private:
/// Exit gracefully on a signal.
int quit_on_signal (void);
/// Reference to the Consumer_Handler which is used in accessing the
/// servant methods.
Consumer_Handler *consumer_handler_;
};
#endif /* CONSUMER_SIGNAL_HANDLER_H */
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