Kill Me Softly – Kill processes in a reliable manner

Re:Kill Me Softly – Kill processes in a reliable manner by peterwwillis on Tuesday December 16, 2014 @12:47PM (#8758212)

Alternative modes of operation that would be useful:

* Send SIGUSR1 if TERM doesn't work

* Send SIGCONT if TERM doesn't work

* Attempt to reap the process

* Attempt to ptrace the process

* Give a hint as to why it can't be killed (like blocked I/O, a zombie, etc)

* Kill the process group (dangerous!)

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Re:Kill Me Softly – Kill processes in a reliable manner by ad_hominem on Tuesday December 16, 2014 @02:09PM (#8758705)

SIGUSR1 is often caught by applications for their own IPC. SIGQUIT would probably be a safer one to send, but that can also be caught and repurposed. Sending other signal types would definitely have to be opt-in to prevent unintended side effects.

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Re:Kill Me Softly – Kill processes in a reliable manner by alanfranzoni on Tuesday December 16, 2014 @12:51PM (#8758241)

Yes, of course that would be useful, something is already in the TODOs. I don't want to overcomplicate what is a simple shell script by the way. Reaping may be interesting, ptrace may be a bit of overkill. Thanks.

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