//============================================================================= /** * @file Exceptions.cpp * * This test application tests the state of WFMO_Reactor when * exceptions occurs when executing user callbacks. * * The thread count in WFMO_Reactor is used to ensure that state of * WFMO_Reactor is not fouled up when exceptions occur in user code. * This example also shows how to write event loops that survive * user exceptions * * @author Irfan Pyarali */ //============================================================================= #include "ace/OS_main.h" #if defined (ACE_WIN32) #include "ace/WFMO_Reactor.h" class Event_Handler : public ACE_Event_Handler { public: Event_Handler (void) : event_ (1) { ACE_DEBUG ((LM_DEBUG, "Event_Handler created\n")); } ~Event_Handler (void) { ACE_DEBUG ((LM_DEBUG, "Event_Handler destroyed\n")); } int handle_signal (int, siginfo_t * = 0, ucontext_t * = 0) { char *cause_exception = 0; char a = *cause_exception; ACE_UNUSED_ARG(a); return 0; } ACE_HANDLE get_handle (void) const { return this->event_.handle (); } private: ACE_Manual_Event event_; }; class ACE_WFMO_Reactor_Test { public: static void doit (ACE_WFMO_Reactor &wfmo_reactor) { for (int i = 1; i <= 10; i++) { ACE_DEBUG ((LM_DEBUG, "Active threads in WFMO_Reactor (before handle_events) = %d\n", wfmo_reactor.active_threads_)); ACE_SEH_TRY { wfmo_reactor.handle_events (); } ACE_SEH_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { ACE_DEBUG ((LM_DEBUG, "Exception occurred\n")); } ACE_DEBUG ((LM_DEBUG, "Active threads in WFMO_Reactor (after handle_events) = %d\n", wfmo_reactor.active_threads_)); } } }; int ACE_TMAIN (int, ACE_TCHAR *[]) { Event_Handler handler; ACE_WFMO_Reactor wfmo_reactor; wfmo_reactor.register_handler (&handler); ACE_WFMO_Reactor_Test::doit (wfmo_reactor); return 0; } #else /* !ACE_WIN32 */ int ACE_TMAIN (int, ACE_TCHAR *[]) { return 0; } #endif /* ACE_WIN32 */