Re: stty -cooked not usable since cygwin-3.1.1-1

[Takashi Yano <takashi dot yano at nifty dot ne dot jp>]

On Mon, 13 Jan 2020 11:52:43 +0100
Rabbe Fogelholm wrote:
> I am running a console Java program that is started from a shellscript
> wrapper. Before invoking Java the wrapper calls `stty -cooked'. The Java
> program polls the keyboard using System.in.available() and reads
> characters immediately using System.in.read(), without waiting for the
> Enter key to be pressed.
> 
> This way of combining `stty -cooked' and Java has stopped working since
> version 3.1.1-1 of the Cygwin package. The Java thread that reads the
> keyboard hangs until Enter is pressed, which is not desirable.
> 
> I had to downgrade to version 3.0.7-1 to resolve the problem.
> 
> Versioning information:
> 
> java version "1.8.0_202"
> Java(TM) SE Runtime Environment (build 1.8.0_202-b08)
> Java HotSpot(TM) 64-Bit Server VM (build 25.202-b08, mixed mode)
> 
> OS Name: Microsoft Windows 10 Pro
> Version: 10.0.17763 Build 17763
> System Type: x64-based PC
> 
> See also the enclosed cygcheck.out.
> 
> To demonstrate the issue I enclose a small Java program that should be
> able to read single keystrokes when `stty -cooked' is in effect.

Does your java program work in command prompt? cygwin 3.1.x uses
pseudo console, so the native (non cygwin) program works as if it
is executed in command prompt.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

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