Mutex (redis.Redis.S.Mutex)

module IO : IO

module Client : Client

exception Error of string

val acquire : 
  Client.connection ->
  ?atime:float ->
  ?ltime:int ->
  string ->
  string ->
  unit IO.t

val release : Client.connection -> string -> string -> unit IO.t

val with_mutex : 
  Client.connection ->
  ?atime:float ->
  ?ltime:int ->
  string ->
  (unit -> 'a IO.t) ->
  'a IO.t