MPI_File_get_atomicity - Returns the atomicity mode


SYNOPSIS

       C:

            #include "mpi.h"

            int MPI_File_get_atomicity (MPI_File fh, int *flag)

       Fortran:

            INCLUDE "mpif.h" (or USE MPI)

            INTEGER fh, ierror
            LOGICAL flag

            CALL MPI_FILE_GET_ATOMICITY(fh, flag, ierror)


DESCRIPTION

       MPI_FILE_get_atomicity returns the current consistency
       semantics for data access operations on the set of file
       handles created by one collective open process.

       This routine accepts the following arguments:

       fh        Specifies the file handle (handle)

       flag      Specifies which mode to enable. If flag is true,
                 atomic mode is enabled; if flag is false,
                 nonatomic mode is enabled.

       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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