[Haskell-cafe] ANNOUNCE: DSTM 0.1.1

Brandon S Allbery KF8NH allbery at ece.cmu.edu
Wed Aug 4 23:31:41 EDT 2010


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On 8/4/10 17:16 , Andrew Coppin wrote:
> I have a vague recollection of there being a situation to do with calling
> foreign code that makes all Haskell threads block in the non-threaded RTS,
> but not in the threaded one. Depending on how big your send and receive

Well, yes.  This should be obvious; code invoked via the FFI can't be
cooperatively multitasked by the Haskell runtime (how would you accomplish
this?  Think about it), and preemptive multitasking is only possible via OS
threads.

- -- 
brandon s. allbery     [linux,solaris,freebsd,perl]      allbery at kf8nh.com
system administrator  [openafs,heimdal,too many hats]  allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university      KF8NH
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