MPI_File_set_info - Sets new values for hints


SYNOPSIS

       C:

            #include "mpi.h"

            int MPI_File_set_info(MPI_File fh, MPI_Info info)

       Fortran:

            INCLUDE "mpif.h" (or USE MPI)

            INTEGER fh, info, ierror

            CALL MPI_FILE_SET_INFO(fh, info, ierror)


DESCRIPTION

       MPI_File_set_info sets new values for the hints of the
       file associated with fh.  MPI_File_set_info is a
       collective routine. The info object can be different on
       each process, but any info entries that an implementation
       requires to be the same on all processes must appear with
       the same value in each process's info object.

       MPI_File_set_info accepts the following arguments:

       fh          Specifies the file handle (handle).

       info        Specifies the object that contains the hints.
                   Many info items that an implementation can use
                   when it creates or opens a file cannot be
                   changed easily once the file has been created
                   or opened. Thus, an implementation can ignore
                   hints issued in this call that it would have
                   accepted in an open call.

       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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