Who's using "CYGWIN=tty" and why?

Edward Lam edward@sidefx.com
Wed May 11 16:00:00 GMT 2011

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().


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