175 строки
4.0 KiB
C
175 строки
4.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2009-2012 Oak Ridge National Laboratory. All rights reserved.
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* Copyright (c) 2009-2012 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* 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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/**
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* @file
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*
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*/
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#include "ompi_config.h"
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include "ompi/constants.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/mca/bcol/bcol.h"
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#include "bcol_ptpcoll.h"
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#include "ompi/mca/bcol/base/base.h"
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#include "bcol_ptpcoll_mca.h"
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#include "bcol_ptpcoll_utils.h"
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/*
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* Public string showing the bcol ptpcoll V2 component version number
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*/
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const char *mca_bcol_ptpcoll_component_version_string =
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"Open MPI bcol - ptpcoll collective MCA component version " OMPI_VERSION;
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/*
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* Local functions
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*/
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static int ptpcoll_open(void);
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static int ptpcoll_close(void);
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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mca_bcol_ptpcoll_component_t mca_bcol_ptpcoll_component = {
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/* First, fill in the super */
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{
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/* First, the mca_component_t struct containing meta
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information about the component itself */
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.bcol_version = {
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MCA_BCOL_BASE_VERSION_2_0_0,
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/* Component name and version */
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.mca_component_name = "ptpcoll",
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MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
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OMPI_RELEASE_VERSION),
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/* Component open and close functions */
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.mca_open_component = ptpcoll_open,
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.mca_close_component = ptpcoll_close,
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.mca_register_component_params = mca_bcol_ptpcoll_register_mca_params,
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},
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/* Initialization / querying functions */
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.collm_init_query = mca_bcol_ptpcoll_init_query,
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.collm_comm_query = mca_bcol_ptpcoll_comm_query,
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.init_done = false,
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.need_ordering = false,
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},
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/* component specific */
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};
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static void
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collreq_construct(mca_bcol_ptpcoll_collreq_t *collreq)
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{
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collreq->requests = NULL;
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}
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static void
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collreq_destruct(mca_bcol_ptpcoll_collreq_t *collreq)
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{
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if (NULL != collreq->requests) {
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free(collreq->requests);
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}
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}
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OBJ_CLASS_INSTANCE(mca_bcol_ptpcoll_collreq_t,
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opal_free_list_item_t,
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collreq_construct,
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collreq_destruct);
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/*
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* Open the component
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*/
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static int ptpcoll_open(void)
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{
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return OMPI_SUCCESS;
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}
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/*
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* Close the component
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*/
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static int ptpcoll_close(void)
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{
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return OMPI_SUCCESS;
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}
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/* query to see if the component is available for use, and can
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* satisfy the thread and progress requirements
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*/
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int mca_bcol_ptpcoll_init_query(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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/* at this stage there is no reason to disaulify this component */
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/* done */
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return OMPI_SUCCESS;
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}
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/* memory management routines */
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/* allocte memory - this is a no-op function intended to work with
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* mpool2, which will use malloc for allocation, if no other allocator
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* is available.
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*/
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void * bcol_ptpcoll_allocate_memory(size_t length, size_t alignment,
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struct mca_bcol_base_module_t *bcol_module)
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{
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/* do nothing */
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return NULL;
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}
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/*
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* register memory - nothing to do
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*/
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int bcol_ptpcoll_register_memory(void * in_ptr, size_t length, size_t alignment,
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struct mca_bcol_base_module_t *bcol_module)
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{
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/* nothing to do */
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return OMPI_SUCCESS;
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}
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/* deregister memory - nothing to do
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*/
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int bcol_ptpcoll_deregister_memory( void * in_ptr,
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struct mca_bcol_base_module_t *bcol_module)
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{
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/* nothing to do */
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return OMPI_SUCCESS;
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}
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/* free memory - since we don't allocate, we also don't free */
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int bcol_ptpcoll_free_memory(void *ptr,
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struct mca_bcol_base_module_t *bcol_module)
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{
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/* nnthing to do */
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return OMPI_SUCCESS;
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}
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