let cpu_usable cpumaps maplen vcpu cpu =
Char.code cpumaps.[vcpu*maplen + cpu/8] land (1 lsl (cpu mod 8)) <> 0
+ external set_keep_alive : [>`R] t -> int -> int -> unit = "ocaml_libvirt_connect_set_keep_alive"
+
external const : [>`R] t -> ro t = "%identity"
end