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MPI_Type_set_attr(3) MPI MPI_Type_set_attr(3)
MPI_Type_set_attr - Stores attribute value associated with a key
int MPI_Type_set_attr(MPI_Datatype type, int type_keyval, void *attribute_val)
type - MPI Datatype to which attribute will be attached (handle)
keyval - key value, as returned by MPI_Type_create_keyval (integer)
- attribute value
The type of the attribute value depends on whether C or Fortran is
being used. In C, an attribute value is a pointer ( void * ); in
Fortran, it is an address-sized integer.
If an attribute is already present, the delete function (specified when
the corresponding keyval was created) will be called.
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
All MPI routines (except MPI_Wtime and MPI_Wtick ) return an error
value; C routines as the value of the function and Fortran routines in
the last argument. Before the value is returned, the current MPI error
handler is called. By default, this error handler aborts the MPI job.
The error handler may be changed with MPI_Comm_set_errhandler (for
communicators), MPI_File_set_errhandler (for files), and
MPI_Win_set_errhandler (for RMA windows). The MPI-1 routine
MPI_Errhandler_set may be used but its use is deprecated. The
predefined error handler MPI_ERRORS_RETURN may be used to cause error
values to be returned. Note that MPI does not guarentee that an MPI
program can continue past an error; however, MPI implementations will
attempt to continue whenever possible.
- No error; MPI routine completed successfully.
- Invalid datatype argument. May be an uncommitted MPI_Datatype
(see MPI_Type_commit ).
- Invalid keyval