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Date: Wed, 11 May 2011 12:00:28 -0400
From: Edward Lam <edward AT sidefx DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: Who's using "CYGWIN=tty" and why?
References: <20110510211800 DOT CCBDF9D5A21 AT mail2 DOT intersystems DOT com> <20110511063433 DOT GD28594 AT calimero DOT vinschen DOT de> <4DCAA510 DOT 9000909 AT sidefx DOT com>
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On 5/11/2011 11:02 AM, Edward Lam wrote:
> So this brings us to Cygwin. When we spawn such a Windows mode app from
> Cygwin, the method I describe above fails. The call to
> _open_osfhandle(info.hStdOutput, _O_TEXT) returns with an error value of
> -1. This is likely why jam reports "the handle is invalid".

PS. It would be interesting to find out why this fails. I would have 
expected that Cygwin/bash would have spawned the child process such that 
the inherited hStdOutput handle was open-able with _open_osfhandle().

-Edward

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