Re: [RFC][PATCH] _UC_TLSBASE for all ports

["Valeriy E. Ushakov" <uwe%stderr.spb.ru@localhost>]

On Sat, Aug 11, 2012 at 16:03:08 -0700, Matt Thomas wrote:

> On Aug 11, 2012, at 10:35 AM, Thor Lancelot Simon wrote:
> 
> > On Sat, Aug 11, 2012 at 06:45:12AM +0000, Christos Zoulas wrote:
> >> 
> >> It is a slippery slope, but I think in this case it is wise to bend.
> >> If we cannot reach agreement here, consult core.
> > 
> > I see no point bending NetBSD into knots in this case if the resulting
> > performance is as bad as Joerg claims it will be.  Is it actually the
> > case that our *context() functions are almost as heavy as a full
> > kernel-level thread switch?
> 
> I'm wondering if we need a new makecontext which can allocate a new
> private thread-local area.  We can set the stack via uc_stack but
> there isn't a way to allocate a new thread-local area.

Like pthread_attr_setcreatesuspend_np(3) + pthread_create(3)?

-uwe