Re: Incomplete output from "cvs annotate"

[Eli Zaretskii]

> From: Simon Josefsson <address@hidden>
> Date: Tue, 20 Jan 2004 13:01:54 +0100
> >
> > You cannot DTRT to put data from different descriptors together
> > because you don't know their relative timing.
> 
> Wouldn't select on both fd's and reading from the first one available,
> and then sending that to the buffer, work?

Not really, since Emacs only checks if input from some process is
available when it is not otherwise busy doing something.  On a fast
machine, getting to that a second too late can lose you your world.

> Surely there is some similar logic somewhere in bash, the kernel or
> somewhere.

Probably, but the important case is when stdout and stderr are written
one after another, but before Emacs gets to see the first one.