Date: Fri, 20 Jun 2003 10:49:29 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Igor Sysoev <is@rambler-co.ru> Cc: threads@freebsd.org Subject: Re: Implementing TLS: step 1 Message-ID: <Pine.BSF.4.21.0306201048460.57806-100000@InterJet.elischer.org> In-Reply-To: <Pine.BSF.4.21.0306201539530.25447-100000@is>
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On Fri, 20 Jun 2003, Igor Sysoev wrote:
> If we could sacrifice our current thread compatibility in 5.0-5.1
> then we could change kse_mailbox from
>
> struct kse_mailbox {
> int km_version; /* Mailbox version */
> struct kse_thr_mailbox *km_curthread; /* Current thread */
> ...
>
> to
>
> struct kse_mailbox {
> struct kse_thr_mailbox *km_curthread; /* Current thread */
> int km_version; /* Mailbox version */
> ...
>
> then x86's gs would still point to kse_mailbox, and gs:[0] would be
> and TP pointer. Also we need to modify
>
> struct kse_thr_mailbox {
> + void *tls;
> ucontext_t tm_context; /* User thread context */
> ...
>
> And the static TLS must be allocated before kse_thr_mailbox.
Yes.
This is what I was thinking...
>
>
> Igor Sysoev
> http://sysoev.ru/en/
>
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