ghc-stm-delay

Updatable one-shot timer polled with STM

This library lets you create a one-shot timer, poll it using STM, and update it to ring at a different time than initially specified. It uses GHC event manager timeouts when available (GHC 7.2+, '-threaded', non-Windows OS), yielding performance similar to 'threadDelay' and 'registerDelay'. Otherwise, it falls back to forked threads and 'threadDelay'. [0.1.1] Add tryWaitDelayIO, improve performance for certain cases of 'newDelay' and 'updateDelay', and improve example.

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