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Changelog for stm package

2.5.0.0 TBA

  • Removed alwaysSucceeds and always, GHC's invariant checking primitives. (GHC #14324)

2.4.5.0 Feb 2018

  • Fix space leak in TBQueue (gh-2, GHC#14494)

  • Make signalTSem resilient against Int overflows (gh-4)

  • Make definition of readTQueue consistent with readTBQueue (gh-3, GHC#9539)

  • Add flushTQueue to Control.Concurrent.STM.TQueue (gh-1)

  • Add flushTBQueue to Control.Concurrent.STM.TBQueue (gh-1)

  • Add signalTSemN operation (gh-5)

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