On Mon, 6 Sep 1999, Garrett Wollman wrote:
> <<On Mon, 06 Sep 1999 11:06:51 -0700, Jason Nordwick <[EMAIL PROTECTED]>
>said:
>
> > Wouldn't you hose uthread performance? I thought that one of the major
> > benefits it that a context switch in uthreads did not require kernel
> > intervention and a syscall.
>
> It's true that this would (currently) slow down uthreads. However, I
> suspect that uthreads may want to do its own signal-mask handling
> anyway (even though it currently doesn't). On the other hand, if we
> made jmp_buf and struct sigcontext compatible, it could clean up the
> thread scheduler's inner workings.
FWIW, jmp_buf and struct sigcontext are compatibly on the alpha platform.
--
Doug Rabson Mail: [EMAIL PROTECTED]
Nonlinear Systems Ltd. Phone: +44 181 442 9037
To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message
