CTL_PORT_STATUS_HA_SHARED
if (port->status & CTL_PORT_STATUS_HA_SHARED)
(port->status & CTL_PORT_STATUS_HA_SHARED) == 0)
if (port->status & CTL_PORT_STATUS_HA_SHARED)
(port && port->status & CTL_PORT_STATUS_HA_SHARED))
port->status |= CTL_PORT_STATUS_HA_SHARED;
port->status &= ~CTL_PORT_STATUS_HA_SHARED;