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Subject: Re: TIOCSTI or workaround?
To: cygwin AT cygwin DOT com
References: <16ace46e-4409-03b5-04b4-32974ae2aed3 AT starwolf DOT com>
From: Greywolf <greywolf AT starwolf DOT com>
Message-ID: <33454913-b374-5fb7-6a5b-a2178fee89ff@starwolf.com>
Date: Sun, 25 Jun 2017 21:04:17 -0700
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On 2017-06-25 20:58, Greywolf wrote:
> Greetings,
> 
> I have a program I've writ which takes input and types on to other 
> terminals; however, it seems that under Cygwin, TIOCSTI on a file 
> descriptor doesn't work according to plan -- I get "Invalid argument", 
> but I don't know why.
> 
> Did a read on ioctl, and saw something about POSIX STREAMS.  I thought 
> that paradigm had died a mean nasty ugly death YEARS back, but I'm 
> hoping that's entirely beside the point.
> 
> Does there exist a way to successfully call
> 
>      ioctl(fd, TIOCSTI, (char *)cp)
> 
> or is there a workaround?

Addendum:

I used the "standard" TIOCSTI definition of:

#define TIOCSTI	0x5214

[or whatever it is, under Linux -- can't check right now].  Perhaps it 
is just that IOCTL directive which is out of whack.  Basic conceptual 
question still stands...

-- 
				--*greywolf;

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