How to get backchannel file descriptor
Michael R Sweet
msweet at apple.com
Tue Aug 19 08:35:53 PDT 2008
keens312 wrote:
> Hi Michael,
>
> In the filter for backchannel, I created a thread to keep reading feedback from printer...
>
> On OSX 10.5, CUPS has created backchannel FDs for USB and Network backends.
>
> The question is how to get the correct file descriptor in filter?
Use the supplied API: cupsBackChannelRead. The file descriptor itself
is #3.
--
______________________________________________________________________
Michael R Sweet Senior Printing System Engineer
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