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Build # 5102098242600960

Build Type

Pull #10429

CirrusCI

Committed by f321x

Commit Message

plugin: make DeviceMgr.run non-blocking, fix lock

Prevents `DeviceMgr.run()` from blocking the `Plugins` `DaemonThread` by
scheduling the hww timeout check instead of awaiting its result on the
`Plugins` thread.

If something in the `_hwd_comms_executor` thread is waiting for user
input, e.g. when setting up a hww in the wizard the user needs to
unlock the hww for `HardwareClientBase.get_xpub()` to return, the
`_hwd_comms_executor` is blocked. If then `DeviceMgr.run()` gets called by
the `Plugins` `DaemonThread` concurrently and tries to check the hww
timeout on the `_hwd_comms_executor` as well the `DaemonThread` is
blocked too until the `_hwd_comms_executor` gets unblocked (and the
`DaemonThread.job_lock` is taken.

Now if something tries to take the `DaemonThread.job_lock` it blocks as
well, so if a user e.g. tries to load a new plugin from the plugins
dialog the whole gui thread will freeze until the hww gets unlocked.

Pull Request Pull Request #10429: plugin: make DeviceMgr.run non-blocking, fix lock

Run Details

7 of 15 new or added lines in 2 files covered. (46.67%)

23918 of 38192 relevant lines covered (62.63%)

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