Returns the current absolute time, in seconds.
Original signature is 'CFTimeInterval CACurrentMediaTime (void);'
Available in Mac OS X v10.5 and later.


A CFTimeInterval derived by calling mach_absolute_time() and converting the result to seconds.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)