Kill stuck threads
rhodri at kynesim.co.uk
Tue Apr 9 09:29:11 EDT 2019
On 09/04/2019 14:08, Shakti Kumar wrote:
> Over due course I've felt the need of a way to kill a thread gracefully, by
> relieving all occupied resources.
> A bit of search online shows me that killing a thread depends very much on
> the underlying platform support, and is something not advised, however I
> face this problem when one of my devices don't respond and my code keeps
> waiting indefinitely for an SSH reply.
Fundamentally, don't do that. Never let a thread wait indefinitely on
something you don't have control over. Use timeouts, and think hard
about your recovery strategies.
Killing and restarting a thread is always going to be a risky business,
and will leave your system less stable. Don't do it unless you have no
choice (and if you think you have no choice, you're probably wrong!).
Rhodri James *-* Kynesim Ltd
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