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--></style></head><body lang=EN-AU link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve looked at <a href="https://wiki.haskell.org/Concurrency_demos/Graceful_exit">https://wiki.haskell.org/Concurrency_demos/Graceful_exit</a> and used(2) Using throwTo without the use of block and unblock. It runs on 8.2.1 with my limited testing. I can’t find out much about what the > 7.x GHC replacement for block/unblock is other than mask. What does the unblock do in <span lang=EN style='color:black'>acceptConnections'?</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does this method of handling an accept loop still need masking of async exceptions ? If so where does this need to be done? </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sumit</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>