ACE/examples/APG/Signals/SigHandler.cpp

   1 #include "ace/OS_NS_unistd.h"
   2 #include "ace/Log_Msg.h"
   3 #include "ace/Signal.h"
   4 #include "ace/Sig_Handler.h"
   5
   6 // Listing 1 code/ch11
   7 class MySignalHandler : public ACE_Event_Handler
   8 {
   9 public:
  10   MySignalHandler (int signum) : signum_(signum)
  11   { }
  12
  13   virtual ~MySignalHandler()
  14   { }
  15
  16   virtual int handle_signal (int signum, siginfo_t * = 0, ucontext_t * = 0)
  17   {
  18     ACE_TRACE ("MySignalHandler::handle_signal");
  19
  20     // Make sure the right handler was called back.
  21     ACE_ASSERT (signum == this->signum_);
  22
  23     ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%S occurred\n"), signum));
  24     return 0;
  25   }
  26
  27 private:
  28   int signum_;
  29 };
  30 // Listing 1
  31 // Listing 2 code/ch11
  32 int ACE_TMAIN (int, ACE_TCHAR *[])
  33 {
  34   MySignalHandler h1 (SIGUSR1), h2 (SIGUSR2);
  35   ACE_Sig_Handler handler;
  36   handler.register_handler (SIGUSR1, &h1);
  37   handler.register_handler (SIGUSR2, &h2);
  38
  39   ACE_OS::kill (ACE_OS::getpid (), SIGUSR1);
  40   ACE_OS::kill (ACE_OS::getpid (), SIGUSR2);
  41
  42   int time = 10;
  43   while ((time = ACE_OS::sleep (time)) == -1)
  44     {
  45       if (errno == EINTR)
  46         continue;
  47       else
  48         {
  49           ACE_ERROR_RETURN ((LM_ERROR,
  50                              ACE_TEXT ("%p\n"),
  51                              ACE_TEXT ("sleep")), -1);
  52         }
  53     }
  54   return 0;
  55 }
  56 // Listing 2