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SubjectRe: kernel thread support - LWP's

On Sun, 18 Jul 1999, Alan Cox wrote:

> > > Why can't you do that by clone()ing to a trampoline that sends SIGSTOP
> > > to itself ?
> >
> > The whole idea is to avoid context switches after process creation (it's not
> > even related to LWP's). I can not understood how clone()ing to a trampoline
> > will help to do this.
>
> my_clone_start(struct thread_context_thingy *p)
> {
> kill(getpid(),SIGSTP);
> return p->run(p->args);
> }
>
2 context switches != 0 context switches :-(( When you want to create
10000 inactive threads performace loss will be significant :-/


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