[vorbis-dev] Re: [fwd] CVS: ogg123 rocks! vcut no so much so... (from: wayfarer42@postmaster.co.uk)

[Greg Stark]

Jeffrey Bridge <jeffrey+vorbisdev at firehead.org> writes:

> On Thu, 2002-08-01 at 10:55, Adrien Beau wrote:
> > Btw, this is in such areas that you see that proprietary
> > Unix systems still have an edge. IIRC, the shell on AIX had
> > no problem dealing with a 28000 arguments command-line in
> > an appropriate amount of time, while bash on Linux went to
> > its knees and took an order of magnitude more time to do the
> > work.
> 
> I believe the kernel (or perhaps bash) has some sort of limitation on
> how large the size of all arguments/environment variables can be. I've
> seen some ./configure programs check how many bytes can be passed on the
> arg list, and it's something like 70 KB. Now, I don't know if this is
> necessary for some reason or not, but it's there. IMO, it's better not
> to be passing half-a-meg of data around on an argument list anyway :-o

on linux:

#define ARG_MAX       131072	/* # bytes of args + environ for exec() */

That strikes me as low, I seem to recall it was 4M on Solaris at some point.


-- 
greg

--- >8 ----
List archives:  http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
To unsubscribe from this list, send a message to 'vorbis-dev-request at xiph.org'
containing only the word 'unsubscribe' in the body.  No subject is needed.
Unsubscribe messages sent to the list will be ignored/filtered.