RFR: JDK-8202105: jshell tool: on exiting, terminal echo is disabled
jan.lahoda at oracle.com
Wed Apr 25 11:50:06 UTC 2018
j.i.Console was changed to capture the state of the terminal echo at
creation time, and to restore it on shutdown.
That is problematic at least in jshell, where the terminal is already in
the raw mode when j.i.Console is created, and so "echo disabled" is
recorded there. So even though jshell itself sets the terminal into the
original mode when it terminates, the shutdown hook in j.i.Console,
which is run later, sets the echo to off even if it was enabled before
the VM started.
My understanding is that the shutdown hook is only needed in case the VM
goes down while readPassword is running. So I tried to change the
shutdown hook to only work while readPassword is running.
What do you think?
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