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MPI_Win_get_group(3OpenMPI)                                                      MPI_Win_get_group(3OpenMPI)



NAME
       MPI_Win_get_group - 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
       INCLUDE 'mpif.h'
       MPI_WIN_GET_GROUP(WIN, GROUP, IERROR)
            INTEGER WIN, GROUP, IERROR


C++ Syntax
       #include <mpi.h>
       MPI::Group MPI::Win::Get_group() const


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
       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
       Almost all MPI routines return an error value; C routines as the value of the  function  and  Fortran
       routines  in  the  last argument. C++ functions do not return errors. If the default error handler is
       set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to  throw
       an MPI:Exception object.

       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.




Open MPI 1.2                                   September 2006                    MPI_Win_get_group(3OpenMPI)