Date: Sun, 22 Oct 1995 07:05:34 +1000 (EST) From: John Birrell <cimaxp1!jb@werple.net.au> To: bde@zeta.org.au (Bruce Evans) Cc: hackers@FreeBSD.org, jb@cimlogic.com.au Subject: Re: A quick vote on pthreads PLZ Message-ID: <199510212130.HAA06203@werple.net.au> In-Reply-To: <199510210630.QAA07233@godzilla.zeta.org.au> from "Bruce Evans" at Oct 21, 95 04:30:18 pm
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>
> >I believe there aren't that many changes in the base system..
>
> >the diffs to libc are probably going in anyhow under #ifdef THREAD_SAFE
> >..
> >so what is your vote?
>
> < 10 ifdefs: libc
> > 100 ifdefs: ports
>
> I don't think the library can be made thread safe with < 100 changes. What
True.
> would it do with all the places that return a pointer to static storage?
These fall into three categories:
(1) Functions which have a *_r() reentrant equivalent like readdir_r which
have extra arguments so that static storage is avoided.
(2) Functions which malloc memory and return that instead. The MIT code does
this in places.
(3) Dunno what the solution is.
>
> Bruce
>
>
--
John Birrell CIMlogic Pty Ltd
jb@cimlogic.com.au 119 Cecil Street
Ph +61 3 9690 9600 South Melbourne Vic 3205
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