def suspend(self, context, instance):
        self._vmops.suspend(instance)
slave_open(tty_name) -> slave_fd
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/xenapi/driver.py/XenAPIDriver.suspend--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/pty.py/slave_open