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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
//
// ============================================================================
#include "ace/Reactor.h"
#include "ace/Synch.h"
#include "ace/Thread_Manager.h"
static int abandon = 1;
void *worker (void *);
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_;
};
int
Event_Handler::handle_signal (int signum, siginfo_t *s, ucontext_t *)
{
char *reason = 0;
HANDLE handle = s->si_handle_;
if (handle == this->handle_.handle ())
{
reason = "event";
ACE_ASSERT (ACE_Reactor::instance ()->register_handler (this,
this->mutex_->lock ().proc_mutex_) == 0);
}
else
{
ACE_ASSERT (ACE_Reactor::instance ()->remove_handler (this->mutex_->lock ().proc_mutex_,
ACE_Event_Handler::DONT_CALL) == 0);
delete this->mutex_;
reason = "mutex";
}
ACE_DEBUG ((LM_DEBUG, "(%t) handle_signal for %s\n", reason));
return 0;
}
int
Event_Handler::handle_timeout (const ACE_Time_Value &tv,
const void *arg)
{
ACE_DEBUG ((LM_DEBUG,
"(%t) timeout occured @ %T, iterations left %d\n",
--this->iterations_));
if (this->iterations_ == 0)
ACE_Reactor::end_event_loop ();
else
{
this->mutex_ = new ACE_Process_Mutex;
ACE_ASSERT (ACE_Thread_Manager::instance ()->spawn (&worker,
this) != -1);
}
return 0;
}
Event_Handler event_handler;
void *
worker (void *data)
{
Event_Handler *handler = (Event_Handler *) data;
handler->handle_.signal ();
handler->mutex_->acquire ();
if (!abandon)
handler->mutex_->release ();
return 0;
}
int
main (void)
{
event_handler.iterations_ = 5;
ACE_ASSERT (ACE_Reactor::instance ()->register_handler (&event_handler,
event_handler.handle_.handle ()) == 0);
ACE_Time_Value timeout (2);
ACE_ASSERT (ACE_Reactor::instance ()->schedule_timer (&event_handler,
0,
timeout,
timeout) != -1);
ACE_Reactor::run_event_loop ();
return 0;
}
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