118 строки
3.4 KiB
C
118 строки
3.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "opal/util/output.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_msgbuf_internal.h"
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#include "ompi/include/constants.h"
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/*
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* local prototypes
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*/
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int mca_base_msgbuf_init (void);
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/*
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* local variables
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*/
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static bool initialized = false;
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/* blank prototypes for now that return unimplemented */
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/* get/create a free buffer */
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/* if reqsize = MCA_BASE_MSGBUF_GETBUF, then the system gives an unlimited buffer. */
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/* Giving a req size just makes it more memory efficient. */
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mca_base_msgbuf_t mca_base_msgbuf_new (size_t reqsize)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return ((mca_base_msgbuf_t)OMPI_ERR_NOT_SUPPORTED);
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}
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/* make a copy of an existing buffer */
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/* this is usefull for the registry and is needed as unpack is */
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/* destructive */
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int mca_base_msgbuf_copy (mca_base_msgbuf_t* copybufid,
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mca_base_msgbuf_t orgbufid)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return (OMPI_ERR_NOT_SUPPORTED);
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}
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/* set a buffer. As base_pack send/recv handles buffer you might not want */
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/* to pack a buffer but do a send from memory directly */
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/* a free on this special buffer just frees its structure not the memory */
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mca_base_msgbuf_t mca_base_msgbuf_construct (void* ptr, size_t datasize)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return ((mca_base_msgbuf_t)OMPI_ERR_NOT_SUPPORTED);
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}
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/* explicit free of a buffer when not auto freeing them */
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int mca_base_msgbuf_free (mca_base_msgbuf_t* bufid)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return OMPI_ERR_NOT_SUPPORTED;
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}
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/* pack and unpack non-string typed data */
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int mca_base_msgbuf_pack (mca_base_msgbuf_t bufid, void* ptr, size_t num_items,
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mca_base_msgbuf_data_t datatype)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return OMPI_ERR_NOT_SUPPORTED;
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}
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int mca_base_msgbuf_unpack (mca_base_msgbuf_t bufid, void* ptr,
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size_t num_items, mca_base_msgbuf_data_t datatype)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return OMPI_ERR_NOT_SUPPORTED;
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}
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/* handles strings */
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/* note this takes NULL terminated strings and returns null terminated strings */
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int mca_base_msgbuf_pack_string (mca_base_msgbuf_t bufid, char* strptr)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return OMPI_ERR_NOT_SUPPORTED;
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}
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int mca_base_msgbuf_unpack_string (mca_base_msgbuf_t bufid, char* strptr,
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size_t maxlen)
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{
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if (!initialized) mca_base_msgbuf_init ();
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return OMPI_ERR_NOT_SUPPORTED;
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}
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/* private functions just inside this code */
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int mca_base_msgbuf_init ()
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{
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if (initialized) return (0);
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return OMPI_ERR_NOT_SUPPORTED;
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}
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