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Diffstat (limited to 'ACE/examples/Reactor/WFMO_Reactor/Exceptions.cpp')
-rw-r--r-- | ACE/examples/Reactor/WFMO_Reactor/Exceptions.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/ACE/examples/Reactor/WFMO_Reactor/Exceptions.cpp b/ACE/examples/Reactor/WFMO_Reactor/Exceptions.cpp new file mode 100644 index 00000000000..5bbf0b4e4f3 --- /dev/null +++ b/ACE/examples/Reactor/WFMO_Reactor/Exceptions.cpp @@ -0,0 +1,109 @@ +// $Id$ +// +// ============================================================================ +// +// = LIBRARY +// examples +// +// = FILENAME +// Exceptions.cpp +// +// = DESCRIPTION +// +// 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" + +ACE_RCSID(WFMO_Reactor, Exceptions, "$Id$") + +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 */ |