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From: Edward Lam <triplequadsupport AT gmail DOT com>
Date: Tue, 18 Feb 2020 14:24:38 -0500
Message-ID: <CAJZe6MBh5mDzb8JDG+tG7wCq9RdU4CcxF01hNW7Qrj4JqjTZNg@mail.gmail.com>
Subject: Re: Pipes bug when spawning non-cygwin processes
To: cygwin AT cygwin DOT com
Content-Type: text/plain; charset="UTF-8"
X-IsSubscribed: yes

Hi Folks,

I'm noticing a different problem with pipes that isn't fixed even in the
latest 2020-02-12 cygwin1.dll snapshot. When a native graphical Windows
process is launched (in the foreground without & in the command line) from
mintty/bash, the STARTUPINFO structure for the child Windows process
correctly has the STARTF_USESTDHANDLES bit set into info.dwFlags BUT both
info.hStdInput and info.hStdOutput handles are 0, only info.hStdError is
assigned to a handle. So in the older cygwin versions, this application's
printf() calls go out to the shell as desired but not anymore.

Any ideas?

-Edward

On Fri, Jan 31, 2020 at 1:25 AM Edward Lam <triplequadsupport AT gmail DOT com>
wrote:

> On Thu, Jan 30, 2020 at 5:25 PM Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
> wrote:
>
>> Probably, this is the same issue as
>> https://www.cygwin.com/ml/cygwin/2020-01/msg00093.html.
>>
>> Please try latest cygwin snapshot.
>> https://cygwin.com/snapshots/
>>
>>
> Indeed, this works again after  20202401 snapshot!
>
> Thanks,
> -Edward
>


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