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Re: Win PTY library.
On Mon, Sep 17, 2012 at 09:27:40AM -0400, Charles Wilson wrote:
>On 9/17/2012 7:03 AM, Daniel Colascione wrote:
>> On 9/15/2012 9:21 AM, Christopher Faylor wrote:
>>> On Sat, Sep 15, 2012 at 12:15:49PM -0400, Earnie Boyd wrote:
>>>> I just discovered https://github.com/rprichard/winpty and thought
>>>> Cygwin users and developers may be interested. The license is MIT
>>>> style.
>>>
>>> Looks interesting. I've had something similar sitting around in my
>>> Cygwin sandbox for a while. It would be nice to have a real console-based
>>> pty implementation.
>>
>> Unfortunately, this program works by polling and scraping a hidden console
>> window. Any approach of this type will lose data. (No, you can't synchronize
>> your scraping by using console accessibility APIs because conhost calls out into
>> accessibility with its locks held, and if you try to read the console buffer in
>> this context, you deadlock.)
>
>Well, that's exactly what Console2 does, and it works pretty well. I've
>never seen any "missing" data when using it. I don't know what they're
>doing to work around the deadlock issue, but whatever it is it works.
Ditto.
cgf
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