Control.Concurrent.ThreadManager

A simple thread management API inspired by the one in chapter 24 of Real World Haskell.

See http://book.realworldhaskell.org/read/concurrent-and-multicore-programming.html.

Intended to be imported qualified (suggestion: TM).

Documentation

data ThreadManager

Instances

Eq ThreadManager

data ThreadStatus

Constructors

Running

Finished

Threw SomeException

Instances

Show ThreadStatus

make :: IO ThreadManager

Make a thread manager.

fork :: ThreadManager -> IO () -> IO ThreadId

Make a managed thread. Uses forkIO.

forkn :: ThreadManager -> Int -> IO () -> IO [ThreadId]

Make the given number of managed threads.

getStatus :: ThreadManager -> ThreadId -> IO (Maybe ThreadStatus)

Get the status of a managed thread.

waitFor :: ThreadManager -> ThreadId -> IO (Maybe ThreadStatus)

Block until a specific managed thread terminates.

waitForAll :: ThreadManager -> IO ()

Block until all managed threads terminate.