Simon McVittie b0eba1c55d joystick: Use inotify to detect joystick unplug if not using udev ... This improves SDL's ability to detect joystick hotplug in a container environment. We cannot reliably receive events from udev in a container, because they are delivered as netlink events, which are authenticated by their uid being 0. However, in a user namespace created by an unprivileged user (for example bubblewrap, as used by Flatpak and Steam's pressure-vessel-wrap), the kernel does not allow us to map uid 0, and the netlink events appear to be from the kernel's overflowuid (typically 65534/nobody), meaning libudev cannot distinguish between genuine uevents from udevd and an attack by a malicious local user. Signed-off-by: Simon McVittie <smcv@collabora.com>		2020-11-11 19:15:32 -08:00
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SDL_sysjoystick_c.h	joystick: Linux joysticks now recover better from dropped events.	2020-06-28 16:23:05 -04:00
SDL_sysjoystick.c	joystick: Use inotify to detect joystick unplug if not using udev	2020-11-11 19:15:32 -08:00