sig
val create : ?message:string -> string -> bool
val create_exn : ?message:string -> string -> unit
val blocking_create : ?message:string -> string -> unit
val is_locked : string -> bool
module Nfs :
sig
val create : ?message:string -> string -> bool
val create_exn : ?message:string -> string -> unit
val blocking_create : ?message:string -> string -> unit
val unlock : string -> unit
val critical_section :
?message:string -> string -> f:(unit -> 'a) -> 'a
end
end