2014-08-07-21.22.59: src/lib/x-kit/xclient/src/window/cs-pixmat.pkg: To existing (blocking) calls make_clientside_pixmat_from_readwrite_pixmap, make_clientside_pixmat_from_readonly_pixmap, make_clientside_pixmat_from_window added nonblocking twins pass_clientside_pixmat_from_readwrite_pixmap, pass_clientside_pixmat_from_readonly_pixmap, pass_clientside_pixmat_from_window.