linux - Xlib xinput test device status if it got hanged -

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how check if keyboard (for examle) not hanged?

maybe possible send device , check response using pselect()?

i'm using xinput extensions (1,2) provide facility such task?

i looking this. can responding keyboards id running in bash.

kbname=$(cat /proc/bus/input/devices | grep -poi '(?<=n:\sname=")(.*keyboard.*)(?="$)') && xinput list | grep -poi '(?<='$kbname')(?:\s+id=\k)(\d+)'

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