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Re: [PATCH] Re: Fifo blocking and performance issues


On Wed, Oct 03, 2012 at 02:58:55AM -0700, Gregory M. Turner wrote:
>On 10/2/2012 5:55 PM, Christopher Faylor wrote:
>>On Tue, Oct 02, 2012 at 01:45:08PM -0700, Gregory M.  Turner wrote:
>>>On 10/2/2012 1:19 PM, Christopher Faylor wrote:
>>>>On Tue, Oct 02, 2012 at 03:15:37PM -0400, bob wrote:
>>>>>Any suggestions on how we can achieve a higher performance blocking
>>>>>read on a Cygwin RDWR fifo?
>>>>
>>>>As always, if you can provide test cases of bugs we will endeavor to
>>>>fix problems.
>>>
>>>I didn't think the RDWR fifo's worked at all -- they certainly don't if
>>>you create them via bash.
>>
>>If you want to submit an assignment I'll be happy to look at the patch.
>>It is too big to be included without an assignment.  See:
>>
>>http://cygwin.com/contrib.html
>>
>>FYI, a quick scan seems to show that you've pretty much undone a lot of
>>what I've recently added for fifos so I don't expect to really be too
>>keen on applying the patch.  But, I don't want to spend too much time
>>inspecting a change which can't yet be applied.
>
>Yeah, I'm aware of this; I'd be happy to assign -- I'm always easy when
>it comes to IP stuff.  FTR, that doesn't mean I expect this patch to go
>in or even be looked at; I'd just like for it to be a non-issue in the
>future.
>
>Is your tree available somewhere for perusal, Chris?  Or is there some
>way we could get a look at your WIP pipe/fifo deltas?  I'm on
>-developers and -patches if you want to change venues.

Maybe you are misinterpreting "What I've recently added".  I made big
changes to fifo handling in the last couple of Cygwin releases.  That is
what I was referring to.  Otherwise, no, you can't look at my sandbox.

cgf

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