Sets the UNIX file descriptors associated with message. As a side-effect the G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS header field is set to the number of fds in fd_list (or cleared if fd_list is NULL).
This method is only available on UNIX.
A gio.UnixFDList or NULL.
2.26
Sets the UNIX file descriptors associated with message. As a side-effect the G_DBUS_MESSAGE_HEADER_FIELD_NUM_UNIX_FDS header field is set to the number of fds in fd_list (or cleared if fd_list is NULL).
This method is only available on UNIX.