anonymousland-synapse/changelog.d/8798.bugfix
Waylon Cude 7127855741
Fix synctl and duplicate worker spawning (#8798)
Synctl did not check if a worker thread was already running when using
`synctl start` and would naively start a fresh copy. This would
sometimes lead to cases where many duplicate copies of a single worker
would run.

This fix adds a pid check when starting worker threads and synctl will
now refuse to start individual workers if they're already running.
2020-11-23 15:20:49 +00:00

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Fix a bug where synctl could spawn duplicate copies of a worker. Contributed by Waylon Cude.