On Wed, Dec 1, 2010 at 11:58 PM, Josh Faust <
jfaust@willowgarage.com> wrote:
> The semantics are the same as for any threaded use of a callback queue.
> What that means exactly depends on the callback you're talking about, so,
> for example, subscription callbacks on a single topic will not happen in
> multiple threads at once unless it's enabled in SubscribeOptions.
OK, thanks. I thought it might be something unique to nodelets.
I now believe it was num_subscriber_threads I was trying to figure out.
--
joq
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