Fortran bindings were added to persistent collectives in 9e0115c980
but man was not updated.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
(cherry picked from commit 43d85dbc815bc5fd02c12810fb7c9f2ddd294f12)
We need to return a persistent request.
`ompi_request_empty` is not a persistent request.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
(cherry picked from commit 69901a515697485cf56599e206dcfb74228e7ca2)
Until the MPI Forum decides to add the persistent collective
communication request feature to the MPI Standard, these functions
are supported through MPI extensions with the `MPIX_` prefix.
Only C bindings are supported currently.
Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>