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1badceb455
Removed useless locks to DeviceContainer::m_devices_mutex, as they were all already protected by m_devices_population_mutex. We have no interest in blocking other threads that were potentially reading devices at the same time so this seems fine. This simplifies the code, and I've adjusted a few comments which mentioned possible deadlock that should now be totally gone. The deadlock could have happen if a thread directly called EmulatedController::UpdateReferences(), while another another thread also reached EmulatedController::UpdateReferences() within a call to ControllerInterface::UpdateDevices(), as the mentioned function locked both the DeviceContainer::m_devices_mutex and s_get_state_mutex at the same time. The deadlock was frequent on game emulation startup on Android, due to the UpdateReferences() call in InputConfig::LoadConfig() and the UI thread triggering calls to ControllerInterface::UpdateDevices(). It could also have happened on Desktop if a user pressed "Refresh Devices" manually in the UI while the input config was loading. Also brought some UpdateReferences() comments and thread safety fixes from https://github.com/dolphin-emu/dolphin/pull/9489 |
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| .. | ||
| AudioCommon | ||
| Common | ||
| Core | ||
| DiscIO | ||
| DolphinNoGUI | ||
| DolphinQt | ||
| InputCommon | ||
| MacUpdater | ||
| UICommon | ||
| UpdaterCommon | ||
| VideoBackends | ||
| VideoCommon | ||
| WinUpdater | ||
| CMakeLists.txt | ||
| DolphinLib.ARM64.props | ||
| DolphinLib.props | ||
| DolphinLib.vcxproj | ||
| DolphinLib.vcxproj.user | ||
| DolphinLib.x64.props | ||