Re: partial failures in write(2) (and read(2))

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Fri, Feb 05, 2021 at 08:10:06PM -0500, Mouse wrote:
> > It is possible for write() calls to fail partway through, after
> > already having written some data.
> 
> It is.  As you note later, it's also possible for read().
> 
> The rightest thing to do, it seems to me, would be to return the error
> indication along with how much was successfully written (or read).  But
> that, of course, requires a completely new API, which I gather is more
> intrusive than you want to get into here.

I think it could be done with a signal in combination with the existing
API.

Thor