cygwin 3.3.x: another problem that may be related to pipes

[Ken Brown]

On 11/15/2021 11:52 AM, Takashi Yano wrote:
> On Mon, 15 Nov 2021 11:37:30 -0500
> Ken Brown wrote:
>> On 11/15/2021 11:08 AM, Corinna Vinschen wrote:
>>> The idea was to do change to synchronous pipes only for 3.4.  I have a
>>> bit of headaches to change the pipes to synchronous as bug fix on the
>>> 3.3 branch.  Your first ideas might be better there...
>>
>> I agree.  I'd rather fix the bugs with asynchronous pipes on the 3.3 branch and
>> only switch to synchronous pipes for 3.4.
> 
> I also agree with you.
> 
> So, currently we have three options.
> 
> 1) Call CancelIo() immediately after STATUS_PENDING like my patch.
> 2) Wait for pipe handle after STATUS_PENDING for nonblocking mode
>     like Ken's patch.
> 3) Create evt event even for nonblocking mode as Corinna mentioned.
> 
> Which is the best solution, do you think?

I'm completely unbiased, of course, but I like option 2.

Ken