Re: select for UNIX sockets?

From: Krzysztof Halasa (khc@pm.waw.pl)
Date: Wed Jun 04 2003 - 07:42:18 EST


Jesse Pollard <jesse@cats-chateau.net> writes:

> > select(1024, NULL, [3], NULL, NULL) = 1 (out [3])
> > sendto(3, "\0", 1, 0, {sa_family=AF_UNIX, path="/tmp/tempUn"}, 13 <<<
> > blocks
>
> Could. There may be room for the buffer, but unless it is set to nonblock,
> you may have a stream open to another host that may not accept the data
> (busy,
> network congestion...) With the required acks, the return may (should?) be
> delayed until the ack arrives.

But it's local datagram socket (UNIX). OTOH TCP to remote host should
not block waiting for acks.

-- 
Krzysztof Halasa
Network Administrator
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