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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2020 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) 2007-2020 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. 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/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/info/info.h"
#include "opal/mca/mpool/mpool.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Alloc_mem = PMPI_Alloc_mem
#endif
#define MPI_Alloc_mem PMPI_Alloc_mem
#endif
static const char FUNC_NAME[] = "MPI_Alloc_mem";
int MPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr)
{
opal_cstring_t *info_str = NULL;
const char *mpool_hints = NULL;
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (size < 0 || NULL == baseptr) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_ARG,
FUNC_NAME);
} else if (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_INFO,
FUNC_NAME);
}
}
/* Per these threads:
https://www.open-mpi.org/community/lists/devel/2007/07/1977.php
https://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;
}
if (MPI_INFO_NULL != info) {
int flag;
(void) ompi_info_get (info, "mpool_hints", &info_str, &flag);
if (flag) {
mpool_hints = info_str->string;
}
}
*((void **) baseptr) = mca_mpool_base_alloc ((size_t) size, (struct opal_info_t*)info,
mpool_hints);
if (NULL != info_str) {
OBJ_RELEASE(info_str);
}
if (NULL == *((void **) baseptr)) {
return OMPI_ERRHANDLER_NOHANDLE_INVOKE(MPI_ERR_NO_MEM,
FUNC_NAME);
}
/* All done */
return MPI_SUCCESS;
}
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