[ros-users] question about callback functions

[Josh Faust]

On Tue, May 25, 2010 at 11:40 PM, chriss lei <lei.chriss at gmail.com> wrote:

>
> Hello.
> I got two questions about callback functions.
>
> I'm wondering what happens if callback function has a blocking code inside
> and gets automatically called back because of a newly arriving message when
> the callback function is still busy.


> Another thing I'm unclear about callback functions is if there exists an
> easy way to supply function input arguments to callback functions. Only
> example I found that does this is using registerCallBack method. Is there a
> easier way to supply function inputs?
>

The answer to these are different depending on the language you're working
with.  What language are you developing in?

Josh
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