On Tue, Jan 27, 2015 at 10:55 AM, Jasper St. Pierre <jstpie...@mecheye.net>
wrote:

> Wayland requires two features that would perhaps make it unportable: FD
> passing (SCM_CREDENTIALS), and shared memory (allocate a temporary files,
> ftruncate it, mmap it, unlink it and then send the fd across the wire).
> Everything else is just a simple Unix domain socket. Does OS X support
> those two features?
>
It would appear so:

fd passing: http://flylib.com/books/en/3.126.1.113/1/

shared memory is supported using the POSIX shared memory API, not the
system V one. I have no idea if the combination of the two (shared memory,
fd passing) together works.
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