MPI_File_get_group - Returns the group of processes that
opened the file
SYNOPSIS
C:
#include "mpi.h"
int MPI_File_get_group(MPI_File fh, MPI_Group *group)
Fortran:
INCLUDE "mpif.h" (or USE MPI)
INTEGER fh, group, ierror
CALL MPI_FILE_GET_GROUP(fh, group, ierror)
DESCRIPTION
MPI_File_get_group returns a duplicate of the group of the
communicator used to open the file associated with fh.
The group is returned in group. The user is responsible
for freeing group.
This routine accepts the following arguments:
fh Specifies the file handle (handle)
group Returns the group that opened the file (handle)
ierror Specifies the return code value for successful
completion, which is in MPI_SUCCESS.
MPI_SUCCESS is defined in the mpif.h file.
Notes for Fortran
All MPI objects (for example, MPI_Datatype, MPI_Comm,
MPI_File) are of type INTEGER.
SEE ALSO
MPI_File_open(3), MPI_IO(3)
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