Method getfd

Lib/test/test_os.py:1855–1858

()

    def test_fd_finalization(self):
        # Check that close()ing the fwalk() generator closes FDs
        def getfd():
            fd = os.dup(1)
            os.close(fd)
            return fd
        for topdown in (False, True):
            old_fd = getfd()
            it = self.fwalk(os_helper.TESTFN, topdown=topdown)