[BusyBox] -A patch to bb 0.49

[Gennady Feldman]

Actually I submitted a patch which created a circular buffer in shared
memory for syslogd. There were some issues due to the fact the syslogd
does fork(). I haven't had a chance to work on that patch, and we (at
work) actually use the workaround and it seems to work fine for our case.
Somebody also mentioned rewriting syslogd using select()? I guess that my
circular buffer code could be used for the mmap() case as well.

G.F.
On Thu, 1 Feb 2001, Erik Andersen wrote:

> On Thu Feb 01, 2001 at 02:16:20PM -0700, Mark Whitley wrote:
> > WRT the -B problem, I think what we'd need to implement is some sort of cyclic
> > buffer that you could push lines onto as it goes through the while (line =
> > get_line_from_file(file)) loop and automatically pop lines off the end when
> > you hit the limit. I have a pretty good idea of how this could be done. I'll
> > take a look at it in just a minute.
>
> This cyclic buffer idea is also applicable in other places.  If the
> buffer were a mmap'ed file we could automagically have syslogd place
> limits on the max log file size -- a useful feature indeed if we can
> make it actually work.
>
>  -Erik
>
> --
> Erik B. Andersen   email:  andersen at lineo.com
> --This message was written using 73% post-consumer electrons--
>
>
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