Re: [Caml-list] [Question] Named pipe on Windows.

["Johannes Kanig" <kanig@adacore.com>]

Hello Paul,

On Thu, 2017-03-16, 17:02:59, <paul.lachat@edu.univ-fcomte.fr> wrote:
> I need to setup communication between two Ocaml processes on Windows.
> I think that using the named pipe of Windows is the good method to do  
> this task.
>
> But I can't find any module for Ocaml who allow using the system call of  
> Windows.
>
> I have already find this module  
> https://opam.ocaml.org/packages/named-pipe/, but it use C,
> and I would like to avoid depending on another langage than Ocaml or  
> software like Cygwin.
>
> Does anybody know a way to use named pipe of Windows in Ocaml ?

For the client side, you can simply use Unix.openfile on the pipe name:

     let name = "\\\\.\\pipe\\" ^ socket_name in
     Unix.openfile name [Unix.O_RDWR] 0

For the server side, you need to call the Win32 API functions  
CreateNamedPipe and ConnectNamedPipe, and for that you need to have  
bindings in C, exactly like the above library does it. I don't think there  
is another way.

-- 
Johannes Kanig