Re: UDP recvmsg blocks after select(), 2.6 bug?

Chris Friesen
2004-10-06T15:14:21Z

David S. Miller wrote:
> On Wed, 6 Oct 2004 16:52:27 +0200 (CEST)
> Joris van Rantwijk <joris@eljakim.nl> wrote:
>
>
>>My understanding of POSIX is limited, but it seems to me that a read call
>>must never block after select just said that it's ok to read from the
>>descriptor. So any such behaviour would be a kernel bug.
>
>
> There is no such guarentee.

Hmm, the man page for select() says:

"Those listed in readfds will be watched to see if characters become available
for reading (more precisely, to see if a read will not block"

Maybe it needs changing?

Chris