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MPI_Win_get_group.3.rst

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MPI_Win_get_group

:ref:`MPI_Win_get_group` |mdash| Returns a duplicate of the group of the communicator used to create the window.

SYNTAX

C Syntax

#include <mpi.h>

MPI_Win_get_group(MPI_Win win, MPI_Group *group)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_WIN_GET_GROUP(WIN, GROUP, IERROR)
     INTEGER WIN, GROUP, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Win_get_group(win, group, ierror)
     TYPE(MPI_Win), INTENT(IN) :: win
     TYPE(MPI_Group), INTENT(OUT) :: group
     INTEGER, OPTIONAL, INTENT(OUT) :: ierror

INPUT PARAMETER

  • win: Window object (handle).

OUTPUT PARAMETERS

  • group: Group of processes that share access to the window (handle).
  • ierror: Fortran only: Error status (integer).

DESCRIPTION

:ref:`MPI_Win_get_group` returns a duplicate of the group of the communicator used to create the window associated with win. The group is returned in group.

ERRORS