sighandlers.cpp

来自「最新的版本ACE-5.6.8,刚从外文网上搬下,与大家分享.」· C++ 代码 · 共 55 行

// $Id: SigHandlers.cpp 80826 2008-03-04 14:51:23Z wotte $

#include "ace/OS_NS_unistd.h"
#include "ace/Log_Msg.h"
#include "ace/Signal.h"
#include "ace/Sig_Handler.h"

class MySignalHandler : public ACE_Event_Handler
{
public:
  MySignalHandler (int signum) : signum_(signum)
  { }

  virtual ~MySignalHandler ()
  { }

  virtual int handle_signal (int signum, siginfo_t * = 0, ucontext_t * = 0)
  {
    ACE_TRACE (ACE_TEXT ("MySignalHandler::handle_signal"));

    // Make sure the right handler was called back..
    ACE_ASSERT(signum == this->signum_);

    ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("%d occured\n"), signum));

    return 0;
  }

private:
  int signum_;
};

// Listing 1 code/ch11
int ACE_TMAIN (int, ACE_TCHAR *[])
{
  MySignalHandler h1 (SIGUSR1), h2 (SIGUSR1);
  ACE_Sig_Handlers handler;
  handler.register_handler (SIGUSR1, &h1);
  handler.register_handler (SIGUSR1, &h2);

  ACE_OS::kill (ACE_OS::getpid (), SIGUSR1);

  int time = 10;
  while ((time = ACE_OS::sleep (time)) == -1)
    {
      if (errno == EINTR)
        continue;
      else
        ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"),
                           ACE_TEXT ("sleep")), -1);
    }
  return 0;
}
// Listing 1