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MPI_File_open function

  • Article

Opens a file.

Syntax

int MPIAPI MPI_File_open(
        MPI_Comm comm,
  _In_  char     *filename,
        int      amode,
        MPI_Info info,
  _Out_ MPI_File *newfile
);

Parameters

  • comm
    Communicator.

  • filename [in]
    Name of file to open.

  • amode
    File access mode.

  • info
    Info object.

  • newfile [out]
    File handle.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran

    MPI_FILE_OPEN(COMM, FILENAME, AMODE, INFO, FH, IERROR)
        CHARACTER*(*) FILENAME
        INTEGER COMM, AMODE, INFO, FH, IERROR

Requirements

Product

HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities

Header

 Mpi.h; Mpif.h

Library

 Msmpi.lib

DLL

 Msmpi.dll

See also

MPI File Functions