MPI_Comm_delete_attr - Deletes a communicator attribute
       value associated with a key


SYNOPSIS

       C:

            #include <mpi.h>

            int MPI_Comm_delete_attr ( comm, comm_keyval )
            MPI_Comm comm;
            int      comm_keyval;

       Fortran:

            INCLUDE "mpif.h" (or USE MPI)

            INTEGER comm, comm_keyval, ierror

            CALL MPI_COMM_DELETE_ATTR(comm, comm_keyval, ierror)


STANDARDS

       This function is defined in the MPI-2 standard.

       This release implements the MPI 1.2 standard, as
       documented by the MPI Forum in the spring 1997 release of
       MPI:  A Message Passing Interface Standard.


DESCRIPTION

       The MPI_Comm_delete_attr routine deletes a communicator
       attribute value associated with a key.  This routine
       replaces MPI_Attr_delete which has been deprecated. This
       routine accepts the following parameters:

       comm      Specifies the communicator to which the
                 attribute is attached (handle)

       comm_keyval
                 Specifies the key value of the deleted attribute
                 (integer)

       ierror    Specifies the return code value for successful
                 completion, which is in MPI_SUCCESS.
                 MPI_SUCCESS is defined in the mpif.h file.


SEE ALSO

       MPI_Comm_get_attr(3), MPI_Comm_set_attr(3),
       MPI_Comm_create_keyval(3)


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