test_socket.py 文件源码

def test_SOCK_CLOEXEC(self):
        v = linux_version()
        if v < (2, 6, 28):
            self.skipTest("Linux kernel 2.6.28 or higher required, not %s"
                          % ".".join(map(str, v)))
        with socket.socket(socket.AF_INET,
                           socket.SOCK_STREAM | socket.SOCK_CLOEXEC) as s:
            self.assertTrue(s.type & socket.SOCK_CLOEXEC)
            self.assertTrue(fcntl.fcntl(s, fcntl.F_GETFD) & fcntl.FD_CLOEXEC)