This is a helper class whose sole purpose is to handle events
on ACE_WFMO_Reactor-wakeup_all_threads_
#include <ace/WFMO_Reactor.h>
class ACE_Wakeup_All_Threads_Handler : public ACE_Event_Handler {
public:virtual int handle_signal ( int signum, siginfo_t * = 0, ucontext_t * = 0 );};
virtual int handle_signal (
    int signum,
    siginfo_t * = 0,
    ucontext_t * = 0
    );
ACE_WFMO_Reactor-wakeup_all_threads_