From: Eli Zaretskii <eliz@is.elta.co.il>
Subject: Re: M-x compile output sometimes delayed
Date: Fri, 05 Apr 2002 08:36:15 +0300 [thread overview]
Message-ID: <3CAD37CF.479E2128@is.elta.co.il> (raw)
In-Reply-To: m23cyb6tta.fsf@jidanni.org
Dan Jacobson wrote:
>
> In makefile I have
> z:
> set -x;until test $$((retrys++)) -gt 9; do sleep 4;done
>
> I do M-x compile. I see the output in fits and starts, not every 4
> seconds. Sometimes it comes out line by line, sometimes it takes me
> hitting say even the Shift key to stimulate it into spitting out
> output. Odd, as my processor is 99% idle.
I think you forget about I/O buffering. Emacs runs subordinate processes
via a pipe, and pipes are buffered by the system.
In addition, Emacs only checks whether there was input from a subprocess
when it's not busy doing other things, so that could account for additional
delays.
next prev parent reply other threads:[~2002-04-05 5:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-04 21:24 M-x compile output sometimes delayed Dan Jacobson
2002-04-05 5:36 ` Eli Zaretskii [this message]
2002-04-05 19:05 ` Richard Stallman
2002-04-10 6:03 ` Dan Jacobson
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