Re: Is it OK to pass an SCM through (void *)?

To: guile@cygnus.com
Subject: Re: Is it OK to pass an SCM through (void *)?
From: Rob Browning <rlb@cs.utexas.edu>
Date: 05 Dec 1998 21:48:28 -0600
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In-Reply-To: Maciej Stachowiak's message of "Sat, 05 Dec 1998 20:30:10 EST"
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Maciej Stachowiak <mstachow@MIT.EDU> writes:

> The former is sufficient. You also need to make sure that setter_func
> is protected against garbage-collection, of couse, since Gtk will keep
> it hanging around.

How do I protect it against garbage collection?  Or more importantly,
how do I know when I need to protect something against garbage
collection?  Is there a good overview of this somewhere I can read?
I've always been a little fuzzy on the C level GC interaction issues.

Thanks

-- 
Rob Browning <rlb@cs.utexas.edu> PGP=E80E0D04F521A094 532B97F5D64E3930

Follow-Ups:
- Re: Is it OK to pass an SCM through (void *)?
  - From: Maciej Stachowiak <mstachow@mit.edu>

References:
- Re: Is it OK to pass an SCM through (void *)?
  - From: Maciej Stachowiak <mstachow@mit.edu>

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