Processes are unable to fully discard their controlling terminal

[Max Bowsher]

Processes that attempt to shed their controlling terminal do so well enough
for the tty to show as ? in ps output, but they still keep the console
window they were launched from open, after all other processes using it have
exited.

This is particularly annoying with ssh-agent - if I exit the shell in the
terminal that launched it, that terminal becomes a zombie, hanging around
for no purpose. If I close that window using the Windows close box, the
ssh-agent is killed.

I'm not an expert in the ways of Unix ttys. Can anyone help me understand
where the problem lies?


Max.


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