#5558: Deadlock using unsafePerformIO to create a global MVar
-------------------------------+--------------------------------------------
Reporter: int-e | Owner: simonmar
Type: bug | Status: new
Priority: high | Milestone: 7.4.1
Component: Runtime System | Version: 7.2.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: Incorrect result at runtime
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Comment(by marlowsd@…):
commit 96c80d34163fd422cbc18f4532b7556212a554b8
{{{
Author: Simon Marlow <[email protected]>
Date: Mon Oct 17 13:16:02 2011 +0100
make CAFs atomic, to fix #5558
See Note [atomic CAFs] in rts/sm/Storage.c
compiler/codeGen/CgClosure.lhs | 25 +++----
compiler/codeGen/CgUtils.hs | 12 ++--
compiler/codeGen/StgCmmBind.hs | 31 ++++-----
compiler/codeGen/StgCmmUtils.hs | 17 ++---
includes/rts/storage/GC.h | 4 +-
rts/sm/Storage.c | 143
+++++++++++++++++++++++++++++----------
6 files changed, 150 insertions(+), 82 deletions(-)
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5558#comment:4>
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