úÎ á ~None'!"%&*,/02569:;<=?BDFILNOQRT[\8A global registry of all slave threads by their masters.,Fork a slave thread to run a computation on.ÓFork a slave thread with a finalizer action to run a computation on. The finalizer gets executed when the thread dies for whatever reason: due to being killed or an uncaught exception, or a normal termination.Note the order of arguments: !forkFinally finalizer computationA more efficient version of L, which does not install a default exception handler on the forked thread.  +slave-thread-1.0.1.1-1DUf9xgeb2lDc74xLIwEBL SlaveThreadfork forkFinallyslavesforkIOWithoutHandlerbase GHC.Conc.SyncforkIO killSlaveswaitForSlavesToDie