From: Roger Pack <rogerpack2005@...>
Date: 2009-07-15T12:49:43+09:00
Subject: Re: C ext / threading / callback issue, ruby-1.9.1p129


> rb_thread_blocking_region((rb_blocking_function_t *)w->callback, tmp_x, 
> RUBY_UBF_IO, 0);

Hmm.  This question might be more easily answered by the core folk, but 
perhaps you're assigning the value of w->callback to a ruby proc object, 
when what you wanted was perhaps a pointer to a C method.

So the question is how to call proc objects in C?
I've never done it, but glancing at README.EXT appears to be something 
like rb_iterate or rb_block_call (the latter for 1.9 esp.)

Not sure of that's right but it's about as far as my know-how goes.
GL.
=r
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