libkse and SMP (was Re: USB bulk read & pthreads)

[Terry Lambert]

Daniel Eischen wrote:
> On Fri, 23 May 2003, Terry Lambert wrote:
> > This is handy to know; so basically, my expectation from
> > reading the code around PTHREAD_SCOPE_SYSTEM was correct:
> > a single CPU system with PTHREAD_SCOPE_PROCESS (the default)
> > can still get itself blocked in the kernel by a single
> > blocking call (as in the USB bulk read device issue).
> 
> If I am reading you correctly, then no.  Scope process
> threads will block in the kernel, but upcalls will be
> made to the originating KSE and new threads will be
> scheduled.

I'm rereading it, but I don't see that interpretation.

I guess if both you and Julian both called me on it, I must
have misexpressed myself, but I currently don't understand
how.  8-|.

-- Terry