keyspan_port
_NOTE(MUTEX_PROTECTS_DATA(keyspan_port::kp_mutex, keyspan_port))
_NOTE(DATA_READABLE_WITHOUT_LOCK(keyspan_port::{
_NOTE(LOCK_ORDER(keyspan_state::ks_mutex keyspan_port::kp_mutex))
_NOTE(LOCK_ORDER(keyspan_port::kp_mutex keyspan_pipe::pipe_mutex))
typedef struct keyspan_port keyspan_port_t;