Re: [PATCH] 1:1 Userland threading stage 2.11/4:

["Thomas E. Spanjaard" <tgen@xxxxxxxxxxxxx>]

Matthew Dillon wrote:
>     Just as an aside, I seem to remember POSIX making a distinction between
>     'global' signals and 'per-thread' signals.  Something about a signal that
>     cannot be handled by a thread is queued globally and then processed by
>     the first thread that can take it, or something like that.

The current code unconditionally (tries to) queue to the first lwp; the 
next step will queue it on the first lwp that doesn't mask the signal, 
and failing that, globally. Though again, that's a next-step :).

>     This would imply that we need to have a two-level signal delivery 
>     architecture (lwp layer and process layer).

I guess so too. Simon already has some thoughts about is, we talked this 
afternoon (while I was reviewing the patch).

Cheers,
--
        Thomas E. Spanjaard
        tgen@netphreax.net

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