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import System.Posix.Signals
import System.Posix.Unistd
main = do
putStrLn "Blocking real time alarms."
blockSignals (addSignal realTimeAlarm reservedSignals)
putStrLn "Scheduling an alarm in 2 seconds..."
scheduleAlarm 2
putStrLn "Sleeping 5 seconds."
sleep 5
putStrLn "Woken up"
ints <- getPendingSignals
putStrLn "Checking pending interrupts for RealTimeAlarm"
print (inSignalSet realTimeAlarm ints)
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