event_loop.py 文件源码

def events_from_poll(events):
        ret = 0
        if events & select.POLLIN:
            ret |= libvirt.VIR_EVENT_HANDLE_READABLE
        if events & select.POLLOUT:
            ret |= libvirt.VIR_EVENT_HANDLE_WRITABLE
        if events & select.POLLNVAL:
            ret |= libvirt.VIR_EVENT_HANDLE_ERROR
        if events & select.POLLERR:
            ret |= libvirt.VIR_EVENT_HANDLE_ERROR
        if events & select.POLLHUP:
            ret |= libvirt.VIR_EVENT_HANDLE_HANGUP
        return ret


###########################################################################
# Now glue an instance of the general event loop into libvirt's event loop
###########################################################################

# This single global instance of the event loop wil be used for
# monitoring libvirt events