Callbacks from IOKit
Callbacks from IOKit
- Subject: Callbacks from IOKit
- From: Rick Mann <email@hidden>
- Date: Mon, 21 Apr 2008 18:05:30 -0700
Being somewhat new to Cocoa, I often wonder if there's a better way to
do things.
I'm doing some stuff with USB, and the example code I'm using uses
IOServiceAddMatchingNotification() to add a pointer to a C callback to
get notified when things happen on the USB bus.
In C++, one typically uses the refcon parameter in these APIs to pass
a pointer to the C++ object responsible for handling the callback, and
a pointer to a static C++ member function that massages the call into
a method dispatch.
Is the same approach typically done in Obj-C? Are there higher-level
APIs in Cocoa that I should use instead of
IOServiceAddMatchingNotification()?
TIA,
--
Rick
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