def test_windll(self): if os.name != 'nt': skip('Run only on windows') from pypy.rlib.libffi import WinDLL dll = WinDLL('Kernel32.dll') sleep = dll.getpointer('Sleep', [types.uint], types.void) chain = ArgChain() chain.arg(10) sleep.call(chain, lltype.Void, is_struct=False)