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.y...@nifty.ne.jp> -- 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