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// $Id$
// ============================================================================
//
// = LIBRARY
// examples
//
// = FILENAME
// test_abandoned.cpp
//
// = DESCRIPTION
//
// Tests the WFMO_Reactor's ability to handle abandoned mutexes.
//
// = AUTHOR
//
// Irfan Pyarali <irfan@cs.wustl.edu>
//
// ============================================================================
#include "ace/Reactor.h"
#include "ace/Thread_Manager.h"
#include "ace/Process_Mutex.h"
ACE_RCSID(WFMO_Reactor, test_abandoned, "$Id$")
class Event_Handler : public ACE_Event_Handler
{
public:
int handle_signal (int signum,
siginfo_t * = 0,
ucontext_t * = 0);
int handle_timeout (const ACE_Time_Value &tv,
const void *arg = 0);
ACE_Auto_Event handle_;
ACE_Process_Mutex *mutex_;
int iterations_;
};
static int abandon = 1;
static void *
worker (void *data)
{
Event_Handler *handler = (Event_Handler *) data;
handler->handle_.signal ();
handler->mutex_->acquire ();
if (!abandon)
handler->mutex_->release ();
return 0;
}
int
Event_Handler::handle_signal (int signum,
siginfo_t *s,
ucontext_t *)
{
HANDLE handle = s->si_handle_;
if (handle == this->handle_.handle ())
ACE_Reactor::instance ()->register_handler (this,
this->mutex_->lock ().proc_mutex_);
else
{
ACE_Reactor::instance ()->remove_handler (this->mutex_->lock ().proc_mutex_,
ACE_Event_Handler::DONT_CALL);
delete this->mutex_;
}
return 0;
}
int
Event_Handler::handle_timeout (const ACE_Time_Value &tv,
const void *arg)
{
--this->iterations_;
ACE_DEBUG ((LM_DEBUG,
"(%t) timeout occured @ %T, iterations left %d\n",
this->iterations_));
if (this->iterations_ == 0)
ACE_Reactor::end_event_loop ();
else
{
ACE_NEW_RETURN (this->mutex_,
ACE_Process_Mutex,
-1);
int result = ACE_Thread_Manager::instance ()->spawn (&worker, this);
ACE_ASSERT (result != -1);
}
return 0;
}
int
main (int argc, char *argv[])
{
Event_Handler event_handler;
event_handler.iterations_ = 5;
int result = ACE_Reactor::instance ()->register_handler
(&event_handler,
event_handler.handle_.handle ());
ACE_ASSERT (result == 0);
ACE_Time_Value timeout (2);
result = ACE_Reactor::instance ()->schedule_timer (&event_handler,
0,
timeout,
timeout);
ACE_ASSERT (result != -1);
ACE_Reactor::run_event_loop ();
return 0;
}
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