[Haskell-cafe] Why don't my OS threads terminate?

Bas van Dijk v.dijk.bas at gmail.com
Mon Feb 28 16:59:52 CET 2011

On 25 February 2011 19:10, Bas van Dijk <v.dijk.bas at gmail.com> wrote:
> On 25 February 2011 18:27, sclv <s.clover at gmail.com> wrote:
>> Bas van Dijk-2 wrote:
>>> I believe the OS threads are created by my levmar library. This
>>> library uses bindings-levmar[4] which is a binding to a C library.
>>> bindings-levmar uses safe FFI calls because the levmar C procedures
>>> are reentrant (they need to call back into Haskell to execute the
>>> model function). I believe the RTS creates an OS thread for each safe
>>> FFI call.
>> Sounds like #4262: http://hackage.haskell.org/trac/ghc/ticket/4262
>> (Should be fixed in head)
> That looks exactly like my problem. I will try it out with ghc head on monday.

In ghc-HEAD (7.1.20110227) the bug is fixed, great!

The bug still appears in ghc-7.0.2-rc2, so I assume the patch in #4262
was not merged in that release.

Will it be merged into the upcoming ghc-7.0.2?



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