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by codys 3479 days ago
AF_UNIX on linux supports SOCK_DGRAM and SOCK_SEQPACKET in addition to SOCK_STREAM, so having message based interfaces won't be much of a change for some users.

SOCK_DGRAM at least appears to be widely supported (FreeBSD & Illumos & OpenBSD). SOCK_SEQPACKET is at least supported by OpenBSD (I'm going by what's in various docs/man pages).