[libdispatch-dev] Some questions about source handling

fykcee1 at gmail.com fykcee1 at gmail.com
Sat Dec 11 05:03:29 PST 2010

2010/12/11 Dave Zarzycki <zarzycki at apple.com>
> You would not want to implement a stream of keyboard events with an "is
> level" dispatch source. This is because users expect that keyboard events
> are not lossy, and a dispatch "is level" source would only tell your code
> what the last key press was, not the list of key presses that haven't been
> handled yet. A dispatch queue would be appropriate in this scenario.
Yeah, you are right, I didn't consider it thoroughly, sorry.

But I still think we need such custom sources: in some cases like fire
multi-times and will only process the last value (like
in python).


- cee1
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