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//=============================================================================
/**
* @file Bug_2659_Regression_Test.cpp
*
* Reproduces the problems reported in bug 2659:
* http://bugzilla.dre.vanderbilt.edu/show_bug.cgi?id=2659
*
* @author Ciju John <johnc at ociweb>
*/
//=============================================================================
#include "test_config.h"
#include "ace/Log_Msg.h"
#include "ace/Task.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Thread_Manager.h"
#include "ace/TP_Reactor.h"
#if !defined (ACE_LACKS_UNIX_SIGNALS)
bool reactor_task_ready = false;
//#define RUN_DEBUG 1
#if defined RUN_DEBUG
#define EE_DEBUG(CNAME,MNAME,LOC) \
EntryExit ee (CNAME,MNAME,LOC)
class EntryExit
{
public:
EntryExit (const ACE_TCHAR* class_name,
const ACE_TCHAR *method_name,
void *location = 0)
{
class_name_ [20] = method_name_[20] = 0;
ACE_OS::strncpy (class_name_, class_name, 20);
ACE_OS::strncpy (method_name_, method_name, 20);
location_ = location;
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) Entry %@ %s::%s\n")
, location, class_name, method_name));
};
~EntryExit ()
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) Exit %@ %s::%s\n")
, location_, class_name_, method_name_));
};
private:
ACE_TCHAR class_name_[21];
ACE_TCHAR method_name_[21];
void *location_;
};
#else
#define EE_DEBUG(CNAME,MNAME,LOC)
#endif // if defined RUN_DEBUG
static void
handle_signal (int )
{
EE_DEBUG ("", "handle_signal", 0);
// Dummy signal handler
}
class ReactorTask : public ACE_Task_Base
{
public:
~ReactorTask () override
{
EE_DEBUG ("ReactorTask", "~ReactorTask", this);
};
int svc ( ) override
{
EE_DEBUG ("ReactorTask", "svc", this);
// Register a valid signal handler
// so process doesn't die upon receiving signal
ACE_Sig_Action sa ((ACE_SignalHandler) &::handle_signal, SIGUSR1);
ACE_UNUSED_ARG (sa);
if (simulate_perform_work () == -1) {
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) ERROR: simulated_perform_work failed.\n"))
, -1);
}
return 0;
};
private:
int simulate_perform_work ()
{
EE_DEBUG ("ReactorTask", "simulate_perform_work", this);
// Create a reactor which doesn't automatically restart
// upon interruption
ACE_TP_Reactor tp_reactor (ACE_TP_Reactor::DEFAULT_SIZE, 0);
reactor_task_ready = true;
// This will return upon signal interruption
return tp_reactor.handle_events ();
}
};
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Bug_2659_Regression_Test"));
EE_DEBUG ("", "run_main", 0);
ReactorTask reactor_task;
#if !defined ACE_HAS_PTHREADS || !defined ACE_LACKS_PTHREAD_KILL
if (reactor_task.activate () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Task activation failed.\n"))
, -1);
}
ACE_Thread_Manager *thread_manager = reactor_task.thr_mgr ();
if (thread_manager == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) No Thread Manager found.\n"))
, -1);
}
while (!reactor_task_ready)
{
ACE_OS::sleep (1);
}
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) Signalling task.\n")));
if (thread_manager->kill_all (SIGUSR1) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Task signalling failed.\n")),
-1);
}
// Wait 5 seconds for the other thread to exit, if it didn't exit the
// wait return -1 and we return with an error
ACE_Time_Value timeout (5);
if (thread_manager->wait (&timeout, false, false) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Error, task wait failed.\n")),
-1);
}
#endif
ACE_END_TEST;
return 0;
}
#else
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Bug_2659_Regression_Test"));
ACE_ERROR ((LM_INFO,
ACE_TEXT ("The Unix Signals capability is not supported on this platform\n")));
ACE_END_TEST;
return 0;
}
#endif /* !defined (ACE_LACKS_UNIX_SIGNALS) */
|
