From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-workers@sunsite.dk
Subject: Re: libzsh overhead, minus the benefits
Date: Sat, 26 Jun 2004 11:09:12 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.60.0406261101510.19831@toltec.zanshin.com> (raw)
In-Reply-To: <20040625123431.GR96475@episec.com>
On Fri, 25 Jun 2004, ari wrote:
> The only potential reason that i see for having all zsh functionality in
> libzsh.so, while keeping the zsh binary more or less a stub into the
> library, is the reuse of shared memory mappings.
No; that has nothing to do with it.
On some operating systems to which zsh has been ported, it is not possible
to have dynamic (relocatable, if I recall correctly) symbol linkage from a
non-dynamic library to a dynamic one. That is, it's first necessary to
load at least one library via a static linkage, and then that library can
load other libraries at run time.
So nearly all of zsh was put into a loadable library so that the zmodload
command would work, and could be programmed in nearly the same way, on all
the platforms where zsh compiles.
prev parent reply other threads:[~2004-06-27 10:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-25 12:34 ari
2004-06-26 11:57 ` Geoff Wing
2004-06-26 18:09 ` Bart Schaefer [this message]
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