From: unbewusst <yvon.thoraval@...>
Date: 2007-09-07T00:25:18+09:00
Subject: Re: returning a pipe ???

On 4 sep, 23:57, Paul Brannan <pbran...@atdesk.com> wrote:
> On Wed, Sep 05, 2007 at 02:35:10AM +0900, unbewusst wrote:
> > then i wonder if there is a way somehow to return the
> > "myCommunicationsPipe" above directly (more directly) from C to ruby.
>
> > something like IO.popen...
>
> I see at least two options:
>
>   - Use the macros in rubyio.h to wrap the FILE* that you already have.
>     This is "cheating" the ruby API a bit, since you'd be accessing
>     structures that I don't think Matz intended for us to access
>     directly.
>
>   - Use IO#fdopen to re-open the pipe once it is opened.
>
> Paul



Luc Heinriwh gave me yesterday a third solution perfectly working,
from C ext to Ruby side i return : INT2FIX( fileno(myPipe))

and on ruby side i can use it as a standard IO pipe...

that's all very simple and efficient ;-)