79 строки
2.3 KiB
C
79 строки
2.3 KiB
C
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "ompi/mpi/c/bindings.h"
|
|
#include "ompi/info/info.h"
|
|
#include "ompi/mca/mpool/mpool.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Alloc_mem = PMPI_Alloc_mem
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Alloc_mem";
|
|
|
|
|
|
int MPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr)
|
|
{
|
|
|
|
if (MPI_PARAM_CHECK) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
if (size < 0 || NULL == baseptr) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
} else if (NULL == info || ompi_info_is_freed(info)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
|
|
FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
/* Per these threads:
|
|
|
|
http://www.open-mpi.org/community/lists/devel/2007/07/1977.php
|
|
http://www.open-mpi.org/community/lists/devel/2007/07/1979.php
|
|
|
|
If you call MPI_ALLOC_MEM with a size of 0, you get NULL
|
|
back .*/
|
|
if (0 == size) {
|
|
*((void **) baseptr) = NULL;
|
|
return MPI_SUCCESS;
|
|
}
|
|
|
|
OPAL_CR_ENTER_LIBRARY();
|
|
|
|
*((void **) baseptr) = mca_mpool_base_alloc((size_t) size, info);
|
|
OPAL_CR_EXIT_LIBRARY();
|
|
if (NULL == *((void **) baseptr)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
|
|
FUNC_NAME);
|
|
}
|
|
|
|
/* All done */
|
|
return MPI_SUCCESS;
|
|
}
|
|
|