August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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FSEvents API
The FSEvents notification mechanism is a runloop source, sitting around waiting for stuff to happen. A C callback function is called when a message from fseventsd shows up. The FSEventsStreamRef type is what you use to reference a particular event stream.
Creating the stream
Before you can start receiving events, you need to create the event stream with one of these two functions:
FSEventStreamRef FSEventStreamCreate (CFAllocatorRef allocator,
FSEventStreamCallback callback,
FSEventStreamContext *context,
CFArrayRef pathsToWatch,
FSEventStreamEventId sinceWhen,
CFTimeInterval latency,
FSEventStreamCreateFlags flags);
or
FSEventStreamRef
FSEventStreamCreateRelativeToDevice (CFAllocatorRef allocator, FSEventStreamCallback callback, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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