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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? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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