Safe Haskell	None
Language	Haskell98

System.Posix.Clock

Description

POSIX clocks.

Synopsis

Documentation

data TimeSpec Source #

Mirrors struct timespec.

Instances

Bounded TimeSpec Source #
Methods minBound :: TimeSpec # maxBound :: TimeSpec #
Enum TimeSpec Source #
Methods succ :: TimeSpec -> TimeSpec # pred :: TimeSpec -> TimeSpec # toEnum :: Int -> TimeSpec # fromEnum :: TimeSpec -> Int # enumFrom :: TimeSpec -> [TimeSpec] # enumFromThen :: TimeSpec -> TimeSpec -> [TimeSpec] # enumFromTo :: TimeSpec -> TimeSpec -> [TimeSpec] # enumFromThenTo :: TimeSpec -> TimeSpec -> TimeSpec -> [TimeSpec] #
Eq TimeSpec Source #
Methods (==) :: TimeSpec -> TimeSpec -> Bool # (/=) :: TimeSpec -> TimeSpec -> Bool #
Integral TimeSpec Source #
Methods quot :: TimeSpec -> TimeSpec -> TimeSpec # rem :: TimeSpec -> TimeSpec -> TimeSpec # div :: TimeSpec -> TimeSpec -> TimeSpec # mod :: TimeSpec -> TimeSpec -> TimeSpec # quotRem :: TimeSpec -> TimeSpec -> (TimeSpec, TimeSpec) # divMod :: TimeSpec -> TimeSpec -> (TimeSpec, TimeSpec) # toInteger :: TimeSpec -> Integer #
Num TimeSpec Source #
Methods (+) :: TimeSpec -> TimeSpec -> TimeSpec # (-) :: TimeSpec -> TimeSpec -> TimeSpec # (*) :: TimeSpec -> TimeSpec -> TimeSpec # negate :: TimeSpec -> TimeSpec # abs :: TimeSpec -> TimeSpec # signum :: TimeSpec -> TimeSpec # fromInteger :: Integer -> TimeSpec #
Ord TimeSpec Source #
Methods compare :: TimeSpec -> TimeSpec -> Ordering # (<) :: TimeSpec -> TimeSpec -> Bool # (<=) :: TimeSpec -> TimeSpec -> Bool # (>) :: TimeSpec -> TimeSpec -> Bool # (>=) :: TimeSpec -> TimeSpec -> Bool # max :: TimeSpec -> TimeSpec -> TimeSpec # min :: TimeSpec -> TimeSpec -> TimeSpec #
Real TimeSpec Source #
Methods toRational :: TimeSpec -> Rational #
Show TimeSpec Source #
Methods showsPrec :: Int -> TimeSpec -> ShowS # show :: TimeSpec -> String # showList :: [TimeSpec] -> ShowS #
Storable TimeSpec Source #
Methods sizeOf :: TimeSpec -> Int # alignment :: TimeSpec -> Int # peekElemOff :: Ptr TimeSpec -> Int -> IO TimeSpec # pokeElemOff :: Ptr TimeSpec -> Int -> TimeSpec -> IO () # peekByteOff :: Ptr b -> Int -> IO TimeSpec # pokeByteOff :: Ptr b -> Int -> TimeSpec -> IO () # peek :: Ptr TimeSpec -> IO TimeSpec # poke :: Ptr TimeSpec -> TimeSpec -> IO () #

timeSpecSeconds :: TimeSpec -> CTime Source #

timeSpecNanos :: TimeSpec -> CULong Source #

mkTimeSpec :: CTime -> CULong -> TimeSpec Source #

Create a TimeSpec from amounts of seconds and nanoseconds.

timeSpecV :: TimeSpec -> (CTime, CULong) Source #

Convert a TimeSpec to a pair of its components. Useful as a view pattern.

timeSpecToInt64 :: TimeSpec -> Int64 Source #

newtype Clock Source #

Mirrors clockid_t.

Constructors

Clock Int32

Instances

Eq Clock Source #
Methods (==) :: Clock -> Clock -> Bool # (/=) :: Clock -> Clock -> Bool #
Ord Clock Source #
Methods compare :: Clock -> Clock -> Ordering # (<) :: Clock -> Clock -> Bool # (<=) :: Clock -> Clock -> Bool # (>) :: Clock -> Clock -> Bool # (>=) :: Clock -> Clock -> Bool # max :: Clock -> Clock -> Clock # min :: Clock -> Clock -> Clock #
Show Clock Source #
Methods showsPrec :: Int -> Clock -> ShowS # show :: Clock -> String # showList :: [Clock] -> ShowS #
Storable Clock Source #
Methods sizeOf :: Clock -> Int # alignment :: Clock -> Int # peekElemOff :: Ptr Clock -> Int -> IO Clock # pokeElemOff :: Ptr Clock -> Int -> Clock -> IO () # peekByteOff :: Ptr b -> Int -> IO Clock # pokeByteOff :: Ptr b -> Int -> Clock -> IO () # peek :: Ptr Clock -> IO Clock # poke :: Ptr Clock -> Clock -> IO () #

monotonicClock :: Clock Source #

realtimeClock :: Clock Source #

processTimeClock :: Clock Source #

threadTimeClock :: Clock Source #

getProcessClock :: MonadBase IO μ => ProcessID -> μ Clock Source #

Get the CPU-time clock of the given process. See clock_getcpuclockid(3).

getClockResolution :: MonadBase IO μ => Clock -> μ TimeSpec Source #

Get the clock resolution. See clock_getres(3).

getClockTime :: MonadBase IO μ => Clock -> μ TimeSpec Source #

Get the clock time. See clock_gettime(3).

setClockTime :: MonadBase IO μ => Clock -> TimeSpec -> μ () Source #

Set the clock time. See clock_settime(3).

clockSleep :: MonadBase IO μ => Clock -> TimeSpec -> μ TimeSpec Source #

Sleep for the specified duration. When interrupted by a signal, returns the amount of time left to sleep. See clock_nanosleep(3).

clockSleepAbs :: MonadBase IO μ => Clock -> TimeSpec -> μ () Source #

Sleep until the clock time reaches the specified value. See clock_nanosleep(3).