From: Eric Wong <normalperson@...>
Date: 2017-04-07T00:35:15+00:00
Subject: [ruby-core:80598] Re: [Ruby trunk Bug#13407] We have recv_nonblock but not send_nonblock... can we add it?

samuel@oriontransfer.org wrote:
> I've been playing around with sendmsg_nonblock, but I can't
> see how to make a wrapper around it with the equivalent API to
> send. It seems like it should be possible, but it always
> requires ancillary data, can't provide nil?

Huh?  The following works for me:

	require 'socket'
	a, b = UNIXSocket.pair
	b.sendmsg_nonblock("HI", exception: false)
	p a.recv(2)
	# prints "HI"

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