When do I need to push a collector pause?

"dennisf486" <[email protected]> Sat, 18 Jun 2011 02:48:29 -0000

Newsgroups	gmane.comp.lang.io
Message-ID	<[email protected]>

When interacting with Io from C/C++ code, under what conditions do I need to push a collector pause, if ever?

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