NAME

MPI_File_open - Opens a file

SYNOPSIS

int MPI_File_open(MPI_Comm comm, ROMIO_CONST char *filename, int amode,
MPI_Info info, MPI_File * fh)

INPUT PARAMETERS

comm: - communicator (handle)
filename: - name of file to open (string)
amode: - file access mode (integer)
info: - info object (handle)

OUTPUT PARAMETERS

fh: - file handle (handle)

NOTES FOR FORTRAN

All MPI routines in Fortran (except for MPI_WTIME and MPI_WTICK ) have an additional argument ierr at the end of the argument list. ierr is an integer and has the same meaning as the return value of the routine in C. In Fortran, MPI routines are subroutines, and are invoked with the call statement.

All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.