replace wxAddProcessCallback() with wxAppTraits::AddProcessCallback() to fix linking problems in Unix ports; also reduce code duplication between GUI and base versions making src/unix/baseunix.cpp unnecessary any longer

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52667 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/unix/execute.h

@@ -15,17 +15,6 @@
 class WXDLLIMPEXP_FWD_BASE wxProcess;
 class wxStreamTempInputBuffer;
 
-// some ports have toolkit-specific implementations of wxAddProcessCallback()
-// but by default we use a generic wxFDIOHandler-based mechanism under Unix
-#if defined(__UNIX__) && \
-    !(defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMGL__))
-    #define wxHAS_GENERIC_PROCESS_CALLBACK 1
-#endif
-
-#ifdef wxHAS_GENERIC_PROCESS_CALLBACK
-struct wxEndProcessFDIOHandler;
-#endif
-
 // if pid > 0, the execution is async and the data is freed in the callback
 // executed when the process terminates, if pid < 0, the execution is
 // synchronous and the caller (wxExecute) frees the data
@@ -35,10 +24,6 @@ struct wxEndProcessData
     int tag;                // port dependent value
     wxProcess *process;     // if !NULL: notified on process termination
     int  exitcode;          // the exit code
-
-#ifdef wxHAS_GENERIC_PROCESS_CALLBACK
-    wxEndProcessFDIOHandler *fdioHandler;
-#endif
 };
 
 // struct in which information is passed from wxExecute() to wxAppTraits
@@ -82,24 +67,4 @@ struct wxExecuteData
 // callback function and is common to all ports (src/unix/utilsunx.cpp)
 extern WXDLLIMPEXP_BASE void wxHandleProcessTermination(wxEndProcessData *proc_data);
 
-// This function is called to associate the port-specific callback with the
-// child process. The return valus is port-specific.
-//
-// The file descriptor 'fd' is descriptor of a dummy pipe opened between the
-// parent and the child. No data are written to or read from this pipe, its
-// sole purpose is that the child process will close it when it terminates and
-// the parent will be notified about it if it looks at 'fd' (e.g. using
-// select()).
-//
-// wxAddProcessCallback() does whatever is necessary to ensure that 'fd' is
-// periodically (typically every event loop iteration) checked for its status
-// and that wxHandleProcessTermination() is called once 'fd' indicates the
-// child terminated.
-extern WXDLLIMPEXP_CORE int wxAddProcessCallback(wxEndProcessData *proc_data, int fd);
-
-#if defined(__WXMAC__) || defined(__WXCOCOA__)
-// For ports (e.g. DARWIN) which can add callbacks based on the pid
-extern int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid);
-#endif
-
 #endif // _WX_UNIX_EXECUTE_H