recvfrom + MSG_PEEK = broken?

[Eliot Moss]

On 3/22/2010 1:37 PM, Christopher Faylor wrote:
> On Mon, Mar 22, 2010 at 05:01:00PM +0100, Corinna Vinschen wrote:
>> On Mar 22 10:56, Charles Wilson wrote:
>>> On 3/22/2010 7:03 AM, Corinna Vinschen wrote:
>>>> On Mar 22 02:04, Charles Wilson wrote:
>>>>> I've been tracking down a problem in xinetd. It appears to be an issue
>>>>> with using MSG_PEEK in recvfrom() on UDP sockets.
>>>>
>>>> Yes, that's a bug in Cygwin.  The socket event handling got messed up
>>>> when MSG_PEEK was used.  I fixed that in CVS so it will be in 1.7.2.
>>>
>>> Confirmed: fixes both my testcase, and the error in xinetd. Thanks for
>>> the quick turnaround!  I was about ready to pull my hair out on this
>>
>> Sure.  I'm glad I had a simple testcase for a socket problem.  If only
>> somebody would come up with an equally simple testcase for the rsync
>> problem...
>
> I thought the rsync problem was due to the fact that select for write on
> pipes is unreliable.

Could be -- Eliot Moss

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