#ifndef _WX_UNIX_APPTBASE_H_
#define _WX_UNIX_APPTBASE_H_
-class wxExecuteData;
-class wxPipe;
+struct wxEndProcessData;
+struct wxExecuteData;
// ----------------------------------------------------------------------------
// wxAppTraits: the Unix version adds extra hooks needed by Unix code
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxAppTraits : public wxAppTraitsBase
+class WXDLLIMPEXP_BASE wxAppTraits : public wxAppTraitsBase
{
public:
// wxExecute() support methods
// ---------------------------
- // called before starting the child process and creates the pipe used for
- // detecting the process termination asynchronously in GUI, does nothing in
- // wxBase
- //
- // if it returns false, we should return from wxExecute() with an error
- virtual bool CreateEndProcessPipe(wxExecuteData& execData) = 0;
-
- // test if the given descriptor is the end of the pipe create by the
- // function above
- virtual bool IsWriteFDOfEndProcessPipe(wxExecuteData& execData, int fd) = 0;
-
- // ensure that the write end of the pipe is not closed by wxPipe dtor
- virtual void DetachWriteFDOfEndProcessPipe(wxExecuteData& execData) = 0;
-
// wait for the process termination, return whatever wxExecute() must
// return
- virtual int WaitForChild(wxExecuteData& execData) = 0;
-
+ //
+ // base class implementation handles all cases except wxEXEC_SYNC without
+ // wxEXEC_NOEVENTS one which is implemented at the GUI level
+ virtual int WaitForChild(wxExecuteData& execData);
+
+ // integrate the monitoring of the given fd with the port-specific event
+ // loop: when this fd, which corresponds to a dummy pipe opened between the
+ // parent and child processes, is closed by the child, the parent is
+ // notified about this via a call to wxHandleProcessTermination() function
+ //
+ // the default implementation uses wxFDIODispatcher and so is suitable for
+ // the console applications or ports which don't have any specific event
+ // loop
+ virtual int AddProcessCallback(wxEndProcessData *data, int fd);
- // wxThread helpers
- // ----------------
- // TODO
+protected:
+ // a helper for the implementation of WaitForChild() in wxGUIAppTraits:
+ // checks the streams used for redirected IO in execData and returns true
+ // if there is any activity in them
+ bool CheckForRedirectedIO(wxExecuteData& execData);
};
#endif // _WX_UNIX_APPTBASE_H_