Safe Haskell	Safe
Language	Haskell98

Control.Concurrent.STM.Split.MVar

Synopsis

data T dir a
type In = T In
type Out = T Out
newEmptyIO :: IO (In a, Out a)
newEmpty :: STM (In a, Out a)
newIO :: a -> IO (In a, Out a)
new :: a -> STM (In a, Out a)
take :: Out a -> STM a
tryTake :: Out a -> STM (Maybe a)
put :: In a -> a -> STM ()
tryPut :: In a -> a -> STM Bool
write :: In a -> a -> STM ()

Documentation

data T dir a Source #

Instances

C T Source #
Instance details Defined in Control.Concurrent.STM.Split.MVar Methods newIO :: IO (T In a, T Out a) Source # new :: STM (T In a, T Out a) Source # read :: T Out a -> STM a Source # write :: T In a -> a -> STM () Source #

type In = T In Source #

type Out = T Out Source #

newEmptyIO :: IO (In a, Out a) Source #

newEmpty :: STM (In a, Out a) Source #

newIO :: a -> IO (In a, Out a) Source #

new :: a -> STM (In a, Out a) Source #

take :: Out a -> STM a Source #

tryTake :: Out a -> STM (Maybe a) Source #

put :: In a -> a -> STM () Source #

tryPut :: In a -> a -> STM Bool Source #

write :: In a -> a -> STM () Source #

Write value to TMVar and overwrite existing content. It never blocks. Please note, that this function is different from the generic write, which blocks on TMVars.