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Man Pages


Manual Reference Pages  -  MPI_FILE_GET_GROUP (3)

NAME

MPI_File_get_group - Returns a duplicate of the process group of a file.

CONTENTS

Syntax
Fortran Syntax
C++ Syntax
Input Parameter
Output Parameters
Description
Errors

SYNTAX

C Syntax
    #include <mpi.h>
    int MPI_File_get_group(MPI_File fh, MPI_Group *group)

Fortran Syntax

    INCLUDE ’mpif.h’
    MPI_FILE_GET_GROUP(FH, GROUP,  IERROR)
                 INTEGER          FH, GROUP, IERROR

C++ Syntax

#include <mpi.h>
MPI::Group MPI::File::Get_group() const

INPUT PARAMETER

fh File handle (handle).

OUTPUT PARAMETERS

group Group that opened the file (handle).
IERROR Fortran only: Error status (integer).

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, using MPI_Group_free.

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. For MPI I/O function errors, the default error handler is set to MPI_ERRORS_RETURN. The error handler may be changed with MPI_File_set_errhandler; the predefined error handler MPI_ERRORS_ARE_FATAL may be used to make I/O errors fatal. Note that MPI does not guarantee that an MPI program can continue past an error.

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1.10.2 MPI_FILE_GET_GROUP (3) Jan 21, 2016

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