[GBBopen-developer] Portable threads fix for SCL

[Chun Tian (binghe)]

Hi, GBBopen & Dr. Corkill

Recently I'm testing my lisp projects on SCL (which just be freed for  
non-commercial use days ago). I found current portable-threads package  
(SVN r573) cannot be compiled correctly with SCL (1.3.8.1), some points:

* conditional variable class & related function haven't been defined  
for SCL

* there's a small typo in macro WITHOUT-LOCK-HELD

Attach is my trivial patch, please review it. With this patch I can  
compile & load it correctly (no test yet). But I don't know if I  
should add ":AUTO-FREE T" when I create the conditional-variable.

And, it seems that all thread-related functions in SCL are moved to  
THREAD package, but most code in portable-threads is still using the  
"old" MULTIPROCESSING (MP) package. I don't know from which version  
SCL add the THREAD package, maybe just the same time with the :PTHREAD  
in SCL's *FEATURES*. Should we change them to new package?

Regards,

Chun Tian (binghe)


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