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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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| .. | ||
| Android | ||
| DInput | ||
| DualShockUDPClient | ||
| evdev | ||
| ForceFeedback | ||
| OSX | ||
| Pipes | ||
| Quartz | ||
| SDL | ||
| Touch | ||
| Wiimote | ||
| Win32 | ||
| XInput | ||
| Xlib | ||
| ControllerInterface.cpp | ||
| ControllerInterface.h | ||
| CoreDevice.cpp | ||
| CoreDevice.h | ||