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// $Id: Coop_Cancel.cpp 84565 2009-02-23 08:20:39Z johnnyw $
#include "ace/config-lite.h"
#if defined (ACE_HAS_THREADS)
#include "ace/OS_NS_time.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Task.h"
#include "ace/Log_Msg.h"
// Listing 1 code/ch13
class CanceledTask : public ACE_Task<ACE_MT_SYNCH>
{
public:
virtual int svc (void)
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%t) starting up\n")));
// Cache our ACE_Thread_Manager pointer.
ACE_Thread_Manager *mgr = this->thr_mgr ();
while (1)
{
if (mgr->testcancel (mgr->thr_self ()))
return 0;
ACE_Message_Block *mb = 0;
ACE_Time_Value tv (0, 1000);
tv += ACE_OS::time (0);
int result = this->getq (mb, &tv);
if (result == -1 && errno == EWOULDBLOCK)
continue;
else
{
// Do real work.
}
}
ACE_NOTREACHED (return 0);
}
};
// Listing 1
// Listing 2 code/ch13
int ACE_TMAIN (int, ACE_TCHAR *[])
{
CanceledTask task;
task.activate ();
ACE_OS::sleep (1);
ACE_Thread_Manager::instance ()->cancel_task (&task);
task.wait ();
return 0;
}
// Listing 2
#else
#include "ace/OS_main.h"
#include "ace/OS_NS_stdio.h"
int ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_OS::puts (ACE_TEXT ("This example requires threads."));
return 0;
}
#endif /* ACE_HAS_THREADS */
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