Run processes in new process groups, kill process group instead of process #787
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Some processes are getting orphaned when running Foreman with JRuby.
Creating a new pgroup allows them all to be killed together.
I believe the issue is related to how JRuby handles `Dir.chdir` by
creating a shell process: `sh -c 'cd /chdir/target; ${command}'`. That
causes a second process to be created that won't get cleaned up by
killing the parent.
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🤦 Wrong repo. |
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This is #780 but for this repo, original description below
This is #723 but rebased against master today. Credit to @davishmcclurg for suggesting those changes in the first place.
I think this change also addresses #779. It makes Foreman match what Honcho does, and Honcho does not exhibit the problem shown in #779.
Close #779
(Some additional background: There was an earlier PR #528 that did half of what this PR does, #525 was closed after that was merged, but then the PR was reverted after a few days, could not find the reason for that).