Module Stdune.FcntlSource

Sourcetype lock_type =
  1. | Read
  2. | Write
Sourcetype whence =
  1. | Set
  2. | Cur
  3. | End
Sourceval lock : ?whence:whence -> ?start:int -> ?len:int -> Unix.file_descr -> lock_type -> unit
Sourceval lock_try : ?whence:whence -> ?start:int -> ?len:int -> Unix.file_descr -> lock_type -> bool
Sourceval lock_get : ?whence:whence -> ?start:int -> ?len:int -> Unix.file_descr -> lock_type -> (lock_type * int) option
Sourceval unlock : ?whence:whence -> ?start:int -> ?len:int -> Unix.file_descr -> unit