1. the common helper functions are now in src/unix/utilsunx.cpp

2. POSIX threads are in src/unix/threadpsx.cpp
3. some more functions are detected using configure and not  guessed from the
   platform type


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1867 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/unix/execute.h

@@ -0,0 +1,32 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        unix/execute.h
+// Purpose:     private details of wxExecute() implementation
+// Author:      Vadim Zeitlin
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart, Vadim Zeitlin
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIX_EXECUTE_H
+#define _WX_UNIX_EXECUTE_H
+
+// 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
+};
+
+// this function is called when the process terminates from port specific
+// callback function and is common to all ports (src/unix/utilsunx.cpp)
+extern 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 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd);
+
+#endif // _WX_UNIX_EXECUTE_H