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

[Brandon S. Allbery KF8NH]

On 2008 Jul 20, at 21:05, Richard A. O'Keefe wrote:

> For asynchronous I/O, this means that
> - you can allocate an aiocb object
> - an aiocb passed to aio_suspend, aio_error,
>   aio_return, or aio_cancel should have been
>   filled in by aio_read or aio_write and should
>   be EXACTLY THE SAME object, not a copy of it.


Right, hence a ForeignPtr which is mostly opaque.

-- 
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