Re: SCO: "thread creation is about a thousand times faster than

From: yodaiken@fsmlabs.com
Date: Mon Aug 28 2000 - 08:34:00 EST


On Mon, Aug 28, 2000 at 11:21:18AM +0200, Marc Lehmann wrote:
> On Sun, Aug 27, 2000 at 08:17:19PM -0600, yodaiken@fsmlabs.com wrote:
> > implementation will act as if the original exec'd program is the process
> > and does all signal handling. This process may use pthread_kill
> > to pass signals on to threads, but there is no interaction between
>
> There are large security considerations. A process must be KILL and
> STOPable, no matter wether it uses threads or not. every other semantics
> would be a security nightmare (or make threads a root-only interface).

That's why pthreads as a special library or executable type seems best.
Otherwise, there seems room in the POSIX spec to wriggle out of the STOP
requirement.

-- 
---------------------------------------------------------
Victor Yodaiken 
Finite State Machine Labs: The RTLinux Company.
 www.fsmlabs.com  www.rtlinux.com

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