3c97b3f722
searching the tree. Modified the memory callback to search the tree at each page boundary for registrations. This is necessary as an application may malloc memory and send out of any portion of that memory, even discontiguous regions. This commit was SVN r7510.
100 строки
3.0 KiB
C
100 строки
3.0 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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 <stdio.h>
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#include "mca/mca.h"
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#include "mca/base/base.h"
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#include "mca/mpool/mpool.h"
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#include "mca/mpool/base/base.h"
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#include "ompi/include/constants.h"
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#include <unistd.h>
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/*
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* The following file was created by configure. It contains extern
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* statements and the definition of an array of pointers to each
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* component's public mca_base_component_t struct.
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*/
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#ifdef WIN32
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const mca_base_component_t *mca_mpool_base_static_components[] = {NULL};
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#else
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#include "ompi/mca/mpool/base/static-components.h"
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#endif
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/*
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* Global variables
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*/
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int mca_mpool_base_output = -1;
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int mca_mpool_base_use_mem_hooks = 0;
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uint32_t mca_mpool_base_page_size;
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uint32_t mca_mpool_base_page_size_log;
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opal_list_t mca_mpool_base_components;
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opal_list_t mca_mpool_base_modules;
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/**
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* Function for finding and opening either all MCA components, or the one
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* that was specifically requested via a MCA parameter.
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*/
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int mca_mpool_base_open(void)
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{
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/* Open up all available components - and populate the
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mca_mpool_base_components list */
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if (OMPI_SUCCESS !=
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mca_base_components_open("mpool", 0, mca_mpool_base_static_components,
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&mca_mpool_base_components, true)) {
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return OMPI_ERROR;
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}
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/* Initialize the list so that in mca_mpool_base_close(), we can
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iterate over it (even if it's empty, as in the case of ompi_info) */
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OBJ_CONSTRUCT(&mca_mpool_base_modules, opal_list_t);
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/*
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* check for use_mem_hooks (for diagnostics/testing)
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* however if leave_pinned is set we force this to be enabled
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*/
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mca_base_param_reg_int_name("mpool_base",
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"use_mem_hooks",
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"use memory hooks for deregistering freed memory",
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false,
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false,
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0,
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&mca_mpool_base_use_mem_hooks);
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/* if(0 == mca_mpool_base_use_mem_hooks) { */
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/* int param; */
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/* mca_base_param_register_int("mpi", NULL, "leave_pinned", "leave_pinned", 0); */
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/* param = mca_base_param_find("mpi", NULL, "leave_pinned"); */
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/* mca_base_param_lookup_int(param, &mca_mpool_base_use_mem_hooks); */
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/* } */
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/* get the page size for this architecture*/
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mca_mpool_base_page_size = sysconf(_SC_PAGESIZE);
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mca_mpool_base_page_size_log = my_log2(mca_mpool_base_page_size);
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return OMPI_SUCCESS;
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}
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