D-Bus: Use type signature 'h' for file descriptor passing with GDBus

Support UnixInputStream, UnixOutputStream, and Socket.

diff --git a/codegen/valagvariantmodule.vala b/codegen/valagvariantmodule.vala
index c8196e5a7eecad801bf074b99aef12f01924ae08..5efc2f6d1c596409809aa43372c3651dffbd1c19 100644 (file)
--- a/codegen/valagvariantmodule.vala
+++ b/codegen/valagvariantmodule.vala
@@ -144,6 +144,13 @@ public class Vala.GVariantModule : GAsyncModule {
                                sig = sig.printf (element_sig);
                        }
 
+                       if (sig == null &&
+                           (datatype.data_type.get_full_name () == "GLib.UnixInputStream" ||
+                            datatype.data_type.get_full_name () == "GLib.UnixOutputStream" ||
+                            datatype.data_type.get_full_name () == "GLib.Socket")) {
+                               return "h";
+                       }
+
                        return sig;
                } else {
                        return null;