On May 12, 2009, at 9:37 AM, Jeff Squyres wrote:
> 2. The MPI_ERROR field in the status is specifically *not* set for
> MPI_TEST and MPI_WAIT. It *is* set for the multi-test/wait
> functions (e.g., MPI_TESTANY, MPI_WAITALL).
Oops! Typo -- I should have said "(e.g., MPI_TESTALL, MPI_WAITALL)".
Just like MPI_TEST, the MPI_ERROR field is not set for MPI_TESTANY
because it's a single-completion function.