include/wx/unix/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/unix/app.h
   3 // Purpose:     wxAppConsole implementation for Unix
   4 // Author:      Lukasz Michalski
   5 // Created:     28/01/2005
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Lukasz Michalski
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // wxApp subclass implementing event processing for console applications
  12 class WXDLLIMPEXP_BASE wxAppConsoleUnix : public wxAppConsole
  13 {
  14 public:
  15     // override base class initialization
  16     virtual bool Initialize(int& argc, wxChar** argv);
  17
  18
  19     // Unix-specific: Unix signal handling
  20     // -----------------------------------
  21
  22     // type of the function which can be registered as signal handler: notice
  23     // that it isn't really a signal handler, i.e. it's not subject to the
  24     // usual signal handlers constraints, because it is called later from
  25     // CheckSignal() and not when the signal really occurs
  26     typedef void (*SignalHandler)(int);
  27
  28     // Set signal handler for the given signal, SIG_DFL or SIG_IGN can be used
  29     // instead of a function pointer
  30     //
  31     // Return true if handler was installed, false on error
  32     bool SetSignalHandler(int signal, SignalHandler handler);
  33
  34     // Check if any Unix signals arrived since the last call and execute
  35     // handlers for them
  36     void CheckSignal();
  37
  38 private:
  39     // signal handler set up by SetSignalHandler() for all signals we handle,
  40     // it just adds the signal to m_signalsCaught -- the real processing is
  41     // done later, when CheckSignal() is called
  42     static void HandleSignal(int signal);
  43
  44
  45     // signals for which HandleSignal() had been called (reset from
  46     // CheckSignal())
  47     sigset_t m_signalsCaught;
  48
  49     // the signal handlers
  50     WX_DECLARE_HASH_MAP(int, SignalHandler, wxIntegerHash, wxIntegerEqual, SignalHandlerHash);
  51     SignalHandlerHash m_signalHandlerHash;
  52
  53     friend class GSocketGUIFunctionsTableBase;
  54 };