As it does for recv*(2), MSG_DONTWAIT indicates that the call should not block, returning EAGAIN instead. Linux and OpenBSD both implement this, so the change makes porting easier, especially since we do not return EINVAL or so when unrecognized flags are specified. Submitted by: Greg V <greg@unrelenting.technology> Reviewed by: tuexen MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D18728 |
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