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{-# LANGUAGE Trustworthy #-}
{-# LANGUAGE NoImplicitPrelude #-}
module GHC.Event.Clock
( getMonotonicTime
, getMonotonicTimeNSec
) where
import GHC.Base
import GHC.Real
import Data.Word
-- | Return monotonic time in seconds, since some unspecified starting point
getMonotonicTime :: IO Double
getMonotonicTime = do w <- getMonotonicTimeNSec
return (fromIntegral w / 1000000000)
-- | Return monotonic time in nanoseconds, since some unspecified starting point
foreign import ccall unsafe "getMonotonicNSec"
getMonotonicTimeNSec :: IO Word64
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