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fix(remote): stop the settings effect from re-locking settings - #2
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Enabling remote access from the Add Mac flow deadlocked the other Mac's
main thread: SettingsEffects::committed runs under the settings mutex and
called remote::refresh_metrics, which re-read settings(). Every settings
reader then hung, so control status requests timed out ("unexpected end
of file") and the metrics socket was never bound.
refresh_metrics now takes `enabled` from its caller. The SettingsEffects
docs state the no-reentry rule, and debug builds panic on a settings read
inside an effect, with a test covering it.
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Enabling remote access from the Add Mac flow deadlocked the other Mac's main thread: SettingsEffects::committed runs under the settings mutex and called remote::refresh_metrics, which re-read settings(). Every settings reader then hung, so control status requests timed out ("unexpected end of file") and the metrics socket was never bound.
refresh_metrics now takes
enabledfrom its caller. The SettingsEffects docs state the no-reentry rule, and debug builds panic on a settings read inside an effect, with a test covering it.