http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/unix/execute.h

@@ -0,0 +1,79 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        unix/execute.h
+// Purpose:     private details of wxExecute() implementation
+// Author:      Vadim Zeitlin
+// Id:          $Id: execute.h 35055 2005-08-02 22:58:06Z MW $
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart, Vadim Zeitlin
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIX_EXECUTE_H
+#define _WX_UNIX_EXECUTE_H
+
+#include "wx/unix/pipe.h"
+
+class WXDLLIMPEXP_BASE wxProcess;
+class wxStreamTempInputBuffer;
+
+// 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
+{
+    int pid,                // pid of the process
+        tag;                // port dependent value
+    wxProcess *process;     // if !NULL: notified on process termination
+    int  exitcode;          // the exit code
+};
+
+// struct in which information is passed from wxExecute() to wxAppTraits
+// methods
+struct wxExecuteData
+{
+    wxExecuteData()
+    {
+        flags =
+        pid = 0;
+
+        process = NULL;
+
+#if wxUSE_STREAMS
+        bufOut =
+        bufErr = NULL;
+#endif // wxUSE_STREAMS
+    }
+
+    // wxExecute() flags
+    int flags;
+
+    // the pid of the child process
+    int pid;
+
+    // the associated process object or NULL
+    wxProcess *process;
+
+    // pipe used for end process detection
+    wxPipe pipeEndProcDetect;
+
+#if wxUSE_STREAMS
+    // the input buffer bufOut is connected to stdout, this is why it is
+    // called bufOut and not bufIn
+    wxStreamTempInputBuffer *bufOut,
+                            *bufErr;
+#endif // wxUSE_STREAMS
+};
+
+// this function is called when the process terminates from port specific
+// 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.
+extern WXDLLIMPEXP_CORE int wxAddProcessCallback(wxEndProcessData *proc_data, int fd);
+
+#if defined(__DARWIN__) && (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