[Haskell-cafe] carry "state" around ....

Galchin, Vasili vigalchin at gmail.com
Sat Jul 19 16:42:49 EDT 2008


      You lost me .... can you explain what an opaque aiocb would look like?


On Sat, Jul 19, 2008 at 9:45 AM, Brandon S. Allbery KF8NH <
allbery at ece.cmu.edu> wrote:

> On 2008 Jul 19, at 2:40, Galchin, Vasili wrote:
> My viewpoint is that the above "Internal members" must be "carried" around
> in a Haskell program. Am I correct?? If I am correct, then the Linux
> implementation of Posix AIO is not portable to say Solaris? In hindsight, if
> I am correct, it seems that
> You are correct --- but Solaris also has its own addenda, and its standard
> fields are not at the same offsets as in the Linux aiocb.  The only safe way
> to do this is to use an opaque aiocb on the Haskell side and accessors in C
> via FFI.
> --
> brandon s. allbery [solaris,freebsd,perl,pugs,haskell] 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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