Sv: Sv: Sv: Sv: Sv: Sv: Named pipes and multiple writers

Ken Brown
Wed Apr 1 13:47:00 GMT 2020

On 4/1/2020 3:45 AM, wrote:
>> On 3/31/2020 5:10 PM, wrote:
>>>> On 3/28/2020 10:19 PM, Ken Brown via Cygwin wrote:
>>>>> On 3/28/2020 11:43 AM, Ken Brown via Cygwin wrote:
>>>>>> On 3/28/2020 8:10 AM, wrote:
>>>>>>>> On 3/27/2020 10:53 AM, wrote:
>>>>>>>>>> On 3/26/2020 7:19 PM, Ken Brown via Cygwin wrote:
>>>>>>>>>>> On 3/26/2020 6:39 PM, Ken Brown via Cygwin wrote:
>>>>>>>>>>>> On 3/26/2020 6:01 PM, wrote:
>>>>>>>>>>>>> The ENIXIO occurs when parallel child-processes
>>>>>>>>>>>>> simultaneously using O_NONBLOCK opening the descriptor.
> [snip]
>> Thanks.  This runs fine with the current HEAD of topic/fifo.
> We are very grateful for your efforts
> The test-program works fine now with the latest commits in topic/fifo
> There are some (possible other) issues that make our application doesn't
> work as in Linux and we haven't had the time to dig into what the problems
> are yet. A quick guess is that it is related to signals and possible related
> to pselect, but we need to dig deeper into the logic to narrow down the
> problems. Shall we "close" this issue even if we find out that there's still
> problems with "named pipes" later on ?

You can write again any time that you discover further problems.  The Cygwin 
project doesn't have any mechanism for closing issues.

> The application server (the open source project) that we're trying to make
> work in Windows can be found here (if
> interested)

Thanks, I'll take a look at some point.

> Once again, tnx Ken

Thank you for reporting the problem.  The code probably hasn't been exercised 
very much up to now.


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