// Alarm.cpp,v 1.5 2004/01/09 22:00:11 shuston Exp #include "ace/OS_NS_unistd.h" #include "ace/OS_NS_sys_time.h" // Listing 1 code/ch20 #include "ace/Timer_Queue_Adapters.h" #include "ace/Timer_Heap.h" typedef ACE_Async_Timer_Queue_Adapter<ACE_Timer_Heap> Timer; // Listing 1 class CB : public ACE_Event_Handler { public: CB (int id) : id_(id) { } virtual int handle_timeout (const ACE_Time_Value &, const void *arg) { ACE_TRACE (ACE_TEXT ("CB::handle_timeout")); const int *val = ACE_static_cast (const int*, arg); ACE_ASSERT ((*val) == id_); ACE_UNUSED_ARG (val); ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Timer expired\n"))); return 0; } private: int id_; }; // Listing 2 code/ch20 int ACE_TMAIN (int, ACE_TCHAR *[]) { // Create the timer such that it blocks all signals // when it goes off. Timer timer; // Schedule a timer to go off 2 seconds later and then // after every 4 seconds. CB cb (1); int arg = 1; ACE_Time_Value initial (2); ACE_Time_Value repeat (4); initial += ACE_OS::gettimeofday (); timer.schedule (&cb, &arg, initial, repeat); while (1) // Don't let the main thread exit. ACE_OS::sleep (2); ACE_NOTREACHED (return 0); // Not reached. } // Listing 2 #if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) template class ACE_Async_Timer_Queue_Adapter<ACE_Timer_Heap>; #elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) #pragma instantiate ACE_Async_Timer_Queue_Adapter<ACE_Timer_Heap> #endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION*/