> > i don't think that you really need "allsusp" handing in that case.
> 
> hmm, I think you're right.  some LWP should wake up soon enough.
> this new patch seems to work, how does it look to you?
> 
> -Chuck

i think that "allsusp" can happen even for P_SA processes by
eg. artificial _lwp_suspend and _lwp_exit.
(well, _lwp_* syscalls are dangerous. :-)
so it needs explicit LSSUSPENDED checks like the non-SA case does.
otherwise looks ok to me.

btw, "ok to signal vp lwp" case seems missing break.

YAMAMOTO Takashi