Hello,
in reformulation of a code with no space leak, the leak reappeares.
It takes near constant space to get at the n-th elt in the produced list here
(http://ideone.com/fiifl):
{-# OPTIONS_GHC -O2 -fno-cse #-}
primes = 2 : ([3,5..] `minus`
foldi (\(x:xs) - (x:) . union xs)
I'm trying to really understand how the BlockedIndefinitelyOnMVar
exception works in concurrent code as I would like to rely on it as a
useful runtime signal in a concurrency library I'm working on.
Here is some code illustrating a function restoring an abandoned lock
in a single-threaded program
On Sun, Jul 24, 2011 at 7:56 PM, Brandon Simmons
brandon.m.simm...@gmail.com wrote:
What I think I've learned here is that the BlockedIndefinitelyOnMVar
exception is raised in all the blocked threads at once as it were.
That despite the fact that the handler code in 'lockPrint' restores
the
Excerpts from Felipe Almeida Lessa's message of Sun Jul 24 22:02:36 -0400 2011:
Does anything change if you somehow force a GC sometime after good2?
Perhaps with some calculation generating garbage, perhaps with
performGC. IIRC, the runtime detects BlockedIndefinitelyOnMVar on GC.
But I'm
