stm

Software Transactional Memory

Version on this page:2.4.4
LTS Haskell 9.18:2.4.4.1
Stackage Nightly 2017-12-13:2.4.4.1
Latest on Hackage:2.4.4.1
BSD3 licensed
Maintained by libraries@haskell.org

Module documentation for 2.4.4

There are no documented modules for this package.

A modular composable concurrency abstraction.

Changes

Changelog for stm package

2.4.4.1 Dec 2015

  • Add support for base-4.9.0.0

  • Drop support for GHC 6.12 / base-4.2

2.4.4 Dec 2014

  • Add support for base-4.8.0.0

  • Tighten Safe Haskell bounds

  • Add mkWeakTMVar to Control.Concurrent.STM.TMVar

  • Add @since-annotations

2.4.3 Mar 2014

  • Update behaviour of newBroadcastTChanIO to match newBroadcastTChan in causing an error on a read from the broadcast channel

  • Add mkWeakTVar

  • Add isFullTBQueue

  • Fix TChan created via newBroadcastTChanIO to throw same exception on a readTChan as when created via newBroadcastTChan

  • Update to Cabal 1.10 format

2.4.2 Nov 2012

  • Add Control.Concurrent.STM.TSem (transactional semaphore)

  • Add Applicative/Alternative instances of STM for GHC <7.0

  • Throw proper exception when readTChan called on a broadcast TChan

2.4 Jul 2012

  • Add Control.Concurrent.STM.TQueue (a faster TChan)

  • Add Control.Concurrent.STM.TBQueue (a bounded channel based on TQueue)

  • Add Eq instance for TChan

  • Add newBroadcastTChan and newBroadcastTChanIO

  • Some performance improvements for TChan

  • Add cloneTChan

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