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InputCommon: Fix callback dispatch deadlock

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Make sure m_is_populating_devices is true when a WM_INPUT_DEVICE_CHANGE
event is received directly on the ciface thread, so that callbacks do
not occur while removing devices. This breaks a hold-and-wait deadlock
between the ciface thread and the CPU thread when using emulated
Wiimotes.

Co-authored-by: brainleq <brainleq@users.noreply.github.com>
Co-authored-by: oldmud0 <oldmud0@users.noreply.github.com>
This commit is contained in:
seth
2020-12-13 00:30:27 +00:00
parent d312495934
commit 00ec25d520
3 changed files with 18 additions and 2 deletions
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6
Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp
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@ -28,8 +28,10 @@ static LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wparam, LPARA
{
if (message == WM_INPUT_DEVICE_CHANGE)
{
ciface::DInput::PopulateDevices(s_hwnd);
ciface::XInput::PopulateDevices();
g_controller_interface.PlatformPopulateDevices([] {
ciface::DInput::PopulateDevices(s_hwnd);
ciface::XInput::PopulateDevices();
});
s_done_populating.Set();
}