synchronize GTK2 minimum version in docs

[wxWidgets.git] / include / wx / unix / execute.h

diff --git a/include/wx/unix/execute.h b/include/wx/unix/execute.h
index 25376c0cddf04e68aad3a2168f452d20d73c7b53..418fa246d502fecc3b48212f759cf9ee4aae0f0a 100644 (file)
--- a/include/wx/unix/execute.h
+++ b/include/wx/unix/execute.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        unix/execute.h
+// Name:        wx/unix/execute.h
 // Purpose:     private details of wxExecute() implementation
 // Author:      Vadim Zeitlin
 // Id:          $Id$
@@ -15,27 +15,22 @@
 class WXDLLIMPEXP_FWD_BASE wxProcess;
 class wxStreamTempInputBuffer;
 
-#if defined(__WXDFB__) || defined(__WXX11__)
-    #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
 struct wxEndProcessData
 {
+    wxEndProcessData()
+    {
+        pid =
+        tag =
+        exitcode = -1;
+        process = NULL;
+        async = false;
+    }
+
     int pid;                // pid of the process
     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
+    int exitcode;           // the exit code
+    bool async;             // if true, delete us on process termination
 };
 
 // struct in which information is passed from wxExecute() to wxAppTraits
@@ -52,9 +47,22 @@ struct wxExecuteData
 #if wxUSE_STREAMS
         bufOut =
         bufErr = NULL;
+
+        fdOut =
+        fdErr = wxPipe::INVALID_FD;
 #endif // wxUSE_STREAMS
     }
 
+    // get the FD corresponding to the read end of the process end detection
+    // pipe and close the write one
+    int GetEndProcReadFD()
+    {
+        const int fd = pipeEndProcDetect.Detach(wxPipe::Read);
+        pipeEndProcDetect.Close();
+        return fd;
+    }
+
+
     // wxExecute() flags
     int flags;
 
@@ -72,6 +80,10 @@ struct wxExecuteData
     // called bufOut and not bufIn
     wxStreamTempInputBuffer *bufOut,
                             *bufErr;
+
+    // the corresponding FDs, -1 if not redirected
+    int fdOut,
+        fdErr;
 #endif // wxUSE_STREAMS
 };
 
@@ -79,24 +91,4 @@ 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