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SubjectRe: [Tom Christiansen <>] Linux has a broken shutdown syscall!
> Tom usually knows what he's talking about; is this really a problem
> with Linux? What's going on here? :)

Known 2.0.x bug.

> 1) The call to PF_UNIX must be PF_UNSPEC (or 0) on SunOS and BSD,
> even though it claims otherwise. There's some talk of PF_LOCAL,
> but that's not even documented outside BSD. Linux will accept
> either PF_UNIX or PF_UNSPEC there.

PF_LOCAL is the POSIX 1003.1g name for local sockets. PF_UNIX isnt ok because
POSIX is OS indepedant

> 2) On Linux, shutdown is broken! You have to give it the opposite
> argument! You must perversely do this:
> shutdown(READER, 0);
> shutdown(WRITER, 1);

Its broken for AF_UNIX sockets only in 2.0.x. And yes known bug. Please
don't fix it by reversing them, you'll break on newer kernels with the bug

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