23 Dec
2010
23 Dec
'10
2:39 p.m.
On 12/22/10 05:37, Simon Marlow wrote:
This proposal is to add the following function to Control.Exception:
-- | When invoked inside 'mask', this function allows a blocked -- asynchronous exception to be raised, if one exists. It is -- equivalent to performing an interruptible operation (see -- #interruptible#), but does not involve any actual blocking. -- -- When called outside 'mask', or inside 'uninterruptibleMask', this -- function has no effect. allowInterrupt :: IO () allowInterrupt = unsafeUnmask $ return ()
Can you summarize the rationale? I didn't easily figure it out by skimming the long thread you referenced ( http://hackage.haskell.org/trac/ghc/ticket/4810 ) -Isaac