Haskell Core Libraries (base package)ParentContentsIndex
Control.Concurrent.QSem
Portability non-portable (concurrency)
Stability experimental
Maintainer libraries@haskell.org
Description
Simple quantity semaphores.
Synopsis
data QSem
newQSem :: Int -> IO QSem
waitQSem :: QSem -> IO ()
signalQSem :: QSem -> IO ()
Simple Quantity Semaphores
data QSem
A QSem is a simple quantity semaphore, in which the available "quantity" is always dealt with in units of one.
newQSem :: Int -> IO QSem
Build a new QSem
waitQSem :: QSem -> IO ()
Wait for a unit to become available
signalQSem :: QSem -> IO ()
Signal that a unit of the QSem is available
Produced by Haddock version 0.3