From: Andre Nathan <andre@...>
Date: 2006-08-28T02:47:20+09:00
Subject: Re: Passing blocks around in a C extension

On Mon, 2006-08-28 at 02:06 +0900, ts wrote:
>  Proc.new is rb_block_proc()
>  block_given? is rb_block_given_p()

Thanks Guy!

Now, it must be something stupid, but this works:

  func_with_callback(..., my_callback, (void *)rb_block_proc());

and this segfaults:

  VALUE block = rb_block_proc();
  func_with_callback(..., my_callback, (void *)block);

Any idea why? I don't really need the second form, but it kinda puzzled
me.

Thanks again,
Andre