Subject: Re: proposal for Linux exit_group emulation
To: Frank van der Linden <>
From: Chuck Silvers <>
List: tech-kern
Date: 12/03/2005 09:29:45
On Sat, Dec 03, 2005 at 11:35:37AM +0100, Frank van der Linden wrote:
> Chuck Silvers wrote:
> >is this really better than using one process with multiple LWPs?
> >what problems would be caused by switching to that model?
> > 
> >
> Having to to implement some sort of an lwp_kill for example.. Linux has 
> the functionality, we do not. Although we probably should have it, for 
> PTHREAD_CONCURRENCY > 1 signal issues.

I meant, does the linux thread library make assumptions which cannot be
met in a single process?  eg. does it require that each thread have a
separate PID?  if so, then we have to stick with the current model.
but if the single-process model can work, then that would seem
a better way to go.