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openmpi/ompi/mpi/man/man3/MPI_Win_get_group.3in
Nathan Hjelm 0b8baa217d ompi: remove obsolete c++ bindings
This commit contains the following changes:

The C++ bindings were removed from the standard in MPI-3.0. This
commit removes the entirety of the C++ bindings as well as the
support configury.

Removes all references to C++ from the man pages. This includes the
bindings themselves, all references to what C++ bindings return,
all not-available comments, and differences between C++ and other
language bindings.

If the user passes --enable-mpi-cxx, --enable-mpi-cxx-seek, or
--enable-cxx-exceptions, print a warning message an abort configure.

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Signed-off-by: Nathan Hjelm <hjelmn@google.com>
2020-02-26 13:04:55 -08:00

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.\" -*- nroff -*-
.\" Copyright 2010 Cisco Systems, Inc. All rights reserved.
.\" Copyright 2006-2008 Sun Microsystems, Inc.
.\" Copyright (c) 1996 Thinking Machines Corporation
.\" Copyright (c) 2020 Google, LLC. All rights reserved.
.\" $COPYRIGHT$
.TH MPI_Win_get_group 3 "#OMPI_DATE#" "#PACKAGE_VERSION#" "#PACKAGE_NAME#"
.SH NAME
\fBMPI_Win_get_group\fP \- Returns a duplicate of the group of the communicator used to create the window.
.SH SYNTAX
.ft R
.SH C Syntax
.nf
#include <mpi.h>
MPI_Win_get_group(MPI_Win \fIwin\fP, MPI_Group *\fIgroup\fP)
.fi
.SH Fortran Syntax
.nf
USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_WIN_GET_GROUP(\fIWIN, GROUP, IERROR\fP)
INTEGER \fIWIN, GROUP, IERROR\fP
.fi
.SH Fortran 2008 Syntax
.nf
USE mpi_f08
MPI_Win_get_group(\fIwin\fP, \fIgroup\fP, \fIierror\fP)
TYPE(MPI_Win), INTENT(IN) :: \fIwin\fP
TYPE(MPI_Group), INTENT(OUT) :: \fIgroup\fP
INTEGER, OPTIONAL, INTENT(OUT) :: \fIierror\fP
.fi
.SH INPUT PARAMETER
.ft R
.TP 1i
win
Window object (handle).
.SH OUTPUT PARAMETERS
.ft R
.TP 1i
group
Group of processes that share access to the window (handle).
.TP 1i
IERROR
Fortran only: Error status (integer).
.SH DESCRIPTION
.ft R
MPI_Win_get_group returns a duplicate of the group of the communicator used to create the window associated with \fIwin\fP. The group is returned in \fIgroup\fP.
.SH ERRORS
Almost all MPI routines return an error value; C routines as the value of the function and Fortran routines in the last argument.
.sp
Before the error value is returned, the current MPI error handler is
called. By default, this error handler aborts the MPI job, except for I/O function errors. The error handler may be changed with MPI_Comm_set_errhandler; the predefined error handler MPI_ERRORS_RETURN may be used to cause error values to be returned. Note that MPI does not guarantee that an MPI program can continue past an error.