Use tail instead of sleep
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@ -44,4 +44,4 @@ set -m
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set +m
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set +m
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# Wait for QEMU process to exit
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# Wait for QEMU process to exit
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tail --pid=$(cat "${_QEMU_PID}") -f /dev/null
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tail --pid="$(cat ${_QEMU_PID})" -f /dev/null
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