Haskell Core Libraries (base package)ParentContentsIndex
Control.Concurrent.QSemN
Portability non-portable (concurrency)
Stability experimental
Maintainer libraries@haskell.org
Description
Quantity semaphores in which each thread may wait for an arbitrary "amount".
Synopsis
data QSemN
newQSemN :: Int -> IO QSemN
waitQSemN :: QSemN -> Int -> IO ()
signalQSemN :: QSemN -> Int -> IO ()
General Quantity Semaphores
data QSemN
A QSemN is a quantity semaphore, in which the available "quantity" may be signalled or waited for in arbitrary amounts.
newQSemN :: Int -> IO QSemN
Build a new QSemN with a supplied initial quantity.
waitQSemN :: QSemN -> Int -> IO ()
Wait for the specified quantity to become available
signalQSemN :: QSemN -> Int -> IO ()
Signal that a given quantity is now available from the QSemN.
Produced by Haddock version 0.3