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// $Id$
//
// ============================================================================
//
// = LIBRARY
// examples
//
// = FILENAME
// test_removals.cpp
//
// = DESCRIPTION
//
// Tests the Reactor's ability to handle simultaneous events. If
// you pass anything on the command-line, then each handler
// requests to be removed from the Reactor after each event.
//
// = AUTHOR
// Tim Harrison
// Irfan Pyarali
//
// ============================================================================
#include "ace/Reactor.h"
#include "ace/Service_Config.h"
#include "ace/Synch.h"
ACE_RCSID(WFMO_Reactor, test_removals, "$Id$")
class Event_Handler : public ACE_Event_Handler
// = TITLE
// Generic Event Handler.
//
// = DESCRIPTION
//
// Creates event. Registers with Reactor. Signals event. If
// created with -close_down- it returns -1 from handle signal.
{
public:
Event_Handler (int event_number,
int close_down)
: event_number_ (event_number),
close_down_ (close_down)
{
if (ACE_Reactor::instance ()->register_handler (this,
this->event_.handle ()) == -1)
ACE_ERROR ((LM_ERROR, "%p\tevent handler %d cannot be added to Reactor\n", "", event_number_));
this->event_.signal ();
}
virtual int handle_signal (int index, siginfo_t *, ucontext_t *)
{
if (this->close_down_)
return -1;
else
return 0;
}
virtual int handle_close (ACE_HANDLE, ACE_Reactor_Mask)
{
ACE_DEBUG ((LM_DEBUG, "event handler %d closed.\n", event_number_));
delete this;
return 0;
}
virtual ACE_HANDLE get_handle (void) const
{
return event_.handle ();
}
private:
int event_number_;
// Our event number.
int close_down_;
// Shall we close down or not.
ACE_Event event_;
// Signaled to shut down the handler.
};
int
main (int argc, char *argv[])
{
int close_down = argc > 1 ? 1 : 0;
for (size_t i = 1; i <= ACE_Reactor::instance ()->size (); i++)
new Event_Handler (i, close_down);
int result = 0;
ACE_Time_Value time (1);
while (1)
{
result = ACE_Reactor::instance ()->handle_events (time);
if (result == 0 && errno == ETIME)
{
ACE_DEBUG ((LM_DEBUG, "No more work left: timing out\n"));
break;
}
if (result == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p.\n", "main"), -1);
}
return 0;
}
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