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badd50f511
The desired set (assignment lock) and the worker map (workerAccess) were updated in separate critical sections, so a concurrent resync could observe one but not the other: the same busid ended up with two workers (leaking the first cancel), and stop decisions ran against half-applied state. allWorkers is now the single source of truth, diffed, started, and stopped in one workerAccess section; workers remove themselves on exit with an identity check and restart in place if their busid became desired again meanwhile. The per-busid active flag also became a count: during matched-mode handoff two workers briefly reference one busid, and a failing worker's deactivation must not erase the mark of the genuinely attached one (which made ApplyAll detach live devices, oscillating).
sing-box
The universal proxy platform.
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