Merge 2.56.2 up to 2.57.1 into tizen

Change-Id: I4ee99f4126125121280ae7be4bd81821e67e5e0f

diff --cc NEWS
Simple merge

diff --cc configure.ac
Simple merge

diff --cc docs/reference/glib/glib-sections.txt
Simple merge

diff --cc gio/Makefile.am
Simple merge

diff --cc gio/gdbus-2.0/codegen/codegen.py
Simple merge

diff --cc gio/gdbusauth.c
Simple merge

diff --cc gio/gdbusconnection.c
index d7f8d99,ae463e4..1ba93fc
mode 100755,100644..100755
--- 1/gio/gdbusconnection.c
--- 2/gio/gdbusconnection.c
+++ b/gio/gdbusconnection.c

diff --cc gio/gdbusobjectmanagerclient.c
Simple merge

diff --cc gio/gdbusprivate.c
Simple merge

diff --cc gio/gdbusprivate.h
index a6cc582,0d85c1d..773b602
--- 1/gio/gdbusprivate.h
--- 2/gio/gdbusprivate.h
+++ b/gio/gdbusprivate.h
@@@ -138,20 -141,13 +138,24 @@@ void _g_dbus_object_proxy_add_interfac
  void _g_dbus_object_proxy_remove_interface (GDBusObjectProxy *proxy,
                                              const gchar      *interface_name);
  
+ gchar *_g_dbus_hexencode (const gchar *str,
+                           gsize        str_len);
+ 
  /* Implemented in gdbusconnection.c */
  GDBusConnection *_g_bus_get_singleton_if_exists (GBusType bus_type);
+ void             _g_bus_forget_singleton        (GBusType bus_type);
  
 +void g_dbus_message_init_header_iter (GDBusMessage   *message,
 +                                      GHashTableIter *iter);
 +
 +GObject *
 +g_dbus_address_get_stream_internal (const gchar   *address,
 +                                    gboolean       kdbus_okay,
 +                                    gchar        **out_uuid,
 +                                    GCancellable  *cancellable,
 +                                    GError       **error);
 +
 +
  G_END_DECLS
  
  #endif /* __G_DBUS_PRIVATE_H__ */

diff --cc gio/gdbusproxy.c
Simple merge

diff --cc gio/gfile.c
Simple merge

diff --cc gio/tests/Makefile.am
Simple merge

diff --cc glib/gfileutils.c
Simple merge

diff --cc glib/glib-unix.c
Simple merge

diff --cc glib/gslice.c
Simple merge

diff --cc glib/gtestutils.c
Simple merge