Sv: Sv: Sv: Named pipes and multiple writers
Fri Mar 27 14:53:36 GMT 2020

>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.
>>> This is consistent with my guess that the error is generated by 
>>> fhandler_fifo::wait.  I have a feeling that read_ready should have 
>>> been created as a manual-reset event, and that more care is needed to 
>>> make sure it's set when it should be.
>>>> I could provide a code-snippet
>>>> to reproduce it if wanted ?
>>> Yes, please!
>> That might not be necessary.  If you're able to build the git repo 
>> master branch, please try the attached patch.

>Here's a better patch.

I finally succeeded to build latest master (make is not my favourite tool)
and added the patch, but still no success in my little test-program (see
attachment) when creating a write-file-descriptor with O_NONBLOCK

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