79 строки
2.3 KiB
C
79 строки
2.3 KiB
C
/*
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* Copyright (c) 2004-2007 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 (c) 2007 Cisco, Inc. 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 <stdio.h>
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#include <stdlib.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/info/info.h"
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#include "ompi/mca/mpool/mpool.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Alloc_mem = PMPI_Alloc_mem
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Alloc_mem";
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int MPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr)
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{
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OPAL_CR_TEST_CHECKPOINT_READY();
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (size < 0 || NULL == baseptr) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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} else if (NULL == info || ompi_info_is_freed(info)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
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FUNC_NAME);
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}
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}
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/* Per these threads:
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http://www.open-mpi.org/community/lists/devel/2007/07/1977.php
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http://www.open-mpi.org/community/lists/devel/2007/07/1979.php
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If you call MPI_ALLOC_MEM with a size of 0, you get NULL
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back .*/
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if (0 == size) {
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*((void **) baseptr) = NULL;
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return MPI_SUCCESS;
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}
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*((void **) baseptr) = mca_mpool_base_alloc((size_t) size, info);
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if (NULL == *((void **) baseptr)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
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FUNC_NAME);
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}
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/* All done */
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return MPI_SUCCESS;
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}
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