Mail Archives: cygwin/2010/03/22/13:01:12
On 3/22/2010 1:54 PM, Corinna Vinschen wrote:
> On Mar 22 13:40, Eliot Moss wrote:
>> 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.
>
> The problem has been observed with rsync using socketpairs in the first
> place. The first reports claimed that building rsync with pipes fixed
> the issue. Only a later report on the list claimed that the problem
> still exists even with pipes. I don't dare to make any assumption of
> the actual reason :|
Right ... I am the one where building w/out socketpairs
definitely fixes it. I on Windows 7, 64-bit, and have one
BLODA item still installed (at your previous request so
that we can check for bugs that were related to socketpair
*completely* failing with rsync before -- back in November.)
Regards -- Eliot
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