X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5a9b59346b4de5c27d2fa595eaaac5b78dda0bcf..6edd8829ef3d6f29a73590d99abb121942e77100:/include/wx/unix/apptbase.h diff --git a/include/wx/unix/apptbase.h b/include/wx/unix/apptbase.h index fc238d1b19..4ec132c140 100644 --- a/include/wx/unix/apptbase.h +++ b/include/wx/unix/apptbase.h @@ -12,42 +12,42 @@ #ifndef _WX_UNIX_APPTBASE_H_ #define _WX_UNIX_APPTBASE_H_ +struct wxEndProcessData; struct wxExecuteData; -class wxPipe; // ---------------------------------------------------------------------------- // 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_