Re: [boost] [asio] Feature request: console IO

Subject: Re: [boost] [asio] Feature request: console IO
From: charleyb123 . (charleyb123_at_[hidden])
Date: 2016-03-06 09:28:35

On Sun, Mar 6, 2016 at 3:43 AM, John Bytheway <jbytheway+boost_at_[hidden]>
wrote:

> On 2016-03-05 06:12, Tatsuyuki Ishi wrote:
> > Hello everyone, here is a greeting for joining the list.
> >
> > I want to request console support in asio.
> >
> > Some reasons:
> > 1. non-block stdin is useful for some applications.
> > 2. Linux can do non-block IO on ttys.
> >
> > Implementation concept:
> > 1. Linux: if using epoll, first check if target is a regular file. If
> not,
> > fall back to threaded non-blocking IO. select(), poll() can be use on any
> > valid fds.
> > 2. Windows: this garbage doesn't support overlapped console IO. Create a
> > separate thread for std{in,out,err}, then communicate with the thread.
> > 3. Other *nix: I don't know.
> >
> > It could already be used through POSIX stream descriptor, but it is too
> > limited and platform specific. A library can cover these gaps is great.
>
> On Linux at least one can already do console I/O with ASIO.  I have
> written a library to integrate ASIO with readline here:
>
> https://github.com/jbytheway/relasio
>
> and it works great.  I would expect the same code to work on other *nix.
>
> But if this case requires special handling on Windows then indeed
> abstracting this difference sounds like a good case for a Boost library.
>
> John Bytheway
>

+1