Date: Wed, 14 Jul 2010 14:49:23 -0400
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: {lp,cb}Reserved2 under Windows 7 and file descriptors
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On Wed, Jul 14, 2010 at 11:37:26AM -0700, Daniel Colascione wrote:
>Windows 7 WOW64 seems to DTRT with respect to copying the process data;
>needs_count_in_si_lpres2 can be false except on Vista. I'm testing a cygwin
>with that modification now and it works fine (persistent Windows 7 sporadic
>issues notwithstanding; those seem to be solved by rebaseall).
>
>lpReserved2 working properly leads to another idea: set *lpReserved2 to a
>non-zero value even when needs_count_in_si_lpres2 is a false; specifically,
>set it to three and pass the stdin, stdout, and stderr handles and flags via
>child_info. (child_info would have to begin with the appropriate values.) At
>the worst, it does no harm; but if the child is using the MS C runtime,
>it'll pick up the stdin file descriptors and flags from this data area. If
>the flags are set properly, you should be able to get the C runtime to
>report _isatty() is true for cygwin ptys. (Though of course GetFileType will
>still reveal the thing to be a socket.)

You seem to be jumping into the middle of a discussion here.  How about
providing some context?

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