Re: UDP recvmsg blocks after select(), 2.6 bug?
From: Joris van Rantwijk
Date: Wed Oct 06 2004 - 16:02:27 EST
On Wed, 6 Oct 2004, Andries Brouwer wrote:
> Does this really happen?
Yes. Finally got my raw-udp-with-wrong-checksum sending program to work
over localhost and it hangs recvfrom pretty good.
> All kernel versions?
Quick guess: probably since late 2.4. Source of 2.4.27 udp.c is similar to
2.6.9, but 2.4.17 returns EAGAIN even for blocking sockets, apparently
this was "fixed" later on.
> Is this the explanation for the reported behaviour?)
Very hard to say since I can't predict when it will occur again.
Joris.
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