[Openmcl-devel] reloading/unloading shared libraries?

Peter Seibel peter at javamonkey.com
Mon Feb 9 19:54:51 UTC 2004


Gary Byers <gb at clozure.com> writes:

> I think that you can do what you want to do by:
> 
> - using bundles instead of dylibs.

Am I doing that if I'm using the -bundle flag to gcc?

> - try to ensure that a bundle's loaded at most once.
> 
> - when it's time to test a new version of a bundle, call
>   CLOSE-SHARED-LIBRARY to cause all "external entry points" associated
>   with the library to become unresolved.  Loading a new version of the
>   library should cause the "external entry points" of those foreign
>   symbols to associate themselves with the new library instance.
> 
> This should work for things like (external "_foo") and
> (external-call "_foo" ...), which are sort of designed around the
> notion that a foreign symbol's address can change.

Cool. That's exactly what I'm interested in--just developing without
having to restart Lisp every time I make a change to my C code.

-Peter


-- 
Peter Seibel                                      peter at javamonkey.com

         Lisp is the red pill. -- John Fraser, comp.lang.lisp



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