[mpiwg-ft] FTWG Action Items

Jim Dinan james.dinan at gmail.com
Thu Dec 19 10:16:26 CST 2013

On Thu, Dec 19, 2013 at 11:06 AM, Wesley Bland <wbland at mcs.anl.gov> wrote:

> * Function to query the status of a communicator (is it revoked or not).
>         * If this were done via a communicator attribute, it would be the
> only one I’m aware of that provides information to the user that is set by
> the library. All others are stored by the user and retrieved by the user.
>         * Do we want to add a new API to take care of this, or can we
> confirm that it’s ok to do this via an attribute?

Sorry, I guess I was thinking of RMA when I suggested this; I don't know if
it's feasible to use communicator attributes in this way.
 MPI_Win_get_attr() has several predefined keys for querying window
properties, e.g. MPI_WIN_BASE, etc.  Described in section 11.2.6 in MPI 3.0.

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