Yu Watanabe
c20ee1bfc2
The commit bca7d4ab23e90ec8859fbaeadaa5e0ae9e51b398 kept the priority of the post event source at the default (NORMAL), which is lower than the device monitor (EVENT_PRIORITY_DEVICE_MONITOR, NORMAL-1). Since a pending device monitor is always dispatched first, on_post() only runs when the monitor is not pending, hence the sd_event_source_get_pending() check added in the previous commit could never be true. Moreover, during a uevent flood on_post() is starved, and as it is the only caller of event_queue_start(), idle workers no longer get events assigned. Let's give the post event source a priority above the device monitor, but below the worker event sources so that worker completions are observed before the queue is started. Also, similar to checking whether the device monitor event source is pending, when synthesizing change uevents, new uevents may come soon. Do not remove the queue file and do not kill idle workers in that case. Follow-up for bca7d4ab23e90ec8859fbaeadaa5e0ae9e51b398. Fixes #43865. (cherry picked from commit a0d25767050d76cfbc1f32dcdde3a0c3da5a7423)
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