4 * smpi_mpi_dt_private.h -- functions of smpi_mpi_dt.c that are exported to other SMPI modules.
9 /* flags for the datatypes. */
10 #define DT_FLAG_DESTROYED 0x0001 /**< user destroyed but some other layers still have a reference */
11 #define DT_FLAG_COMMITED 0x0002 /**< ready to be used for a send/recv operation */
12 #define DT_FLAG_CONTIGUOUS 0x0004 /**< contiguous datatype */
13 #define DT_FLAG_OVERLAP 0x0008 /**< datatype is unpropper for a recv operation */
14 #define DT_FLAG_USER_LB 0x0010 /**< has a user defined LB */
15 #define DT_FLAG_USER_UB 0x0020 /**< has a user defined UB */
16 #define DT_FLAG_PREDEFINED 0x0040 /**< cannot be removed: initial and predefined datatypes */
17 #define DT_FLAG_NO_GAPS 0x0080 /**< no gaps around the datatype */
18 #define DT_FLAG_DATA 0x0100 /**< data or control structure */
19 #define DT_FLAG_ONE_SIDED 0x0200 /**< datatype can be used for one sided operations */
20 #define DT_FLAG_UNAVAILABLE 0x0400 /**< datatypes unavailable on the build (OS or compiler dependant) */
21 #define DT_FLAG_VECTOR 0x0800 /**< valid only for loops. The loop contain only one element
22 **< without extent. It correspond to the vector type. */
24 * We should make the difference here between the predefined contiguous and non contiguous
25 * datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
27 #define DT_FLAG_BASIC (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
31 int smpi_mpi_type_get_extent(MPI_Datatype datatype, MPI_Aint *lb, MPI_Aint *extent);
33 /* Deprecated Functions.
34 * The MPI-2 standard deprecated a number of routines because MPI-2 provides better versions.
35 * This routine is one of those that was deprecated. The routine may continue to be used, but
36 * new code should use the replacement routine. The replacement for this routine is MPI_Type_Get_extent.
38 int SMPI_MPI_Type_ub( MPI_Datatype datatype, MPI_Aint *displacement);
39 int SMPI_MPI_Type_lb( MPI_Datatype datatype, MPI_Aint *displacement);