353 строки
9.2 KiB
C
353 строки
9.2 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2005 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) 2004-2007 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) 2009 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2013 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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#include "ompi_config.h"
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#include "mpi.h"
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#include "ompi/win/win.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/constants.h"
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#include "ompi/attribute/attribute.h"
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#include "ompi/group/group.h"
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#include "ompi/info/info.h"
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#include "ompi/mca/osc/base/base.h"
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#include "ompi/mca/osc/osc.h"
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/*
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* Table for Fortran <-> C communicator handle conversion. Note that
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* these are not necessarily global.
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*/
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opal_pointer_array_t ompi_mpi_windows;
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ompi_predefined_win_t ompi_mpi_win_null;
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ompi_predefined_win_t *ompi_mpi_win_null_addr = &ompi_mpi_win_null;
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static void ompi_win_construct(ompi_win_t *win);
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static void ompi_win_destruct(ompi_win_t *win);
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OBJ_CLASS_INSTANCE(ompi_win_t, opal_object_t,
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ompi_win_construct, ompi_win_destruct);
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int
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ompi_win_init(void)
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{
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/* setup window Fortran array */
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OBJ_CONSTRUCT(&ompi_mpi_windows, opal_pointer_array_t);
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if( OPAL_SUCCESS != opal_pointer_array_init(&ompi_mpi_windows, 0,
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OMPI_FORTRAN_HANDLE_MAX, 64) ) {
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return OMPI_ERROR;
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}
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/* Setup MPI_WIN_NULL */
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OBJ_CONSTRUCT(&ompi_mpi_win_null.win, ompi_win_t);
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ompi_mpi_win_null.win.w_flags = OMPI_WIN_INVALID;
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ompi_mpi_win_null.win.w_group = &ompi_mpi_group_null.group;
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OBJ_RETAIN(&ompi_mpi_group_null);
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ompi_win_set_name(&ompi_mpi_win_null.win, "MPI_WIN_NULL");
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opal_pointer_array_set_item(&ompi_mpi_windows, 0, &ompi_mpi_win_null.win);
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return OMPI_SUCCESS;
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}
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int
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ompi_win_finalize(void)
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{
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OBJ_DESTRUCT(&ompi_mpi_win_null.win);
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OBJ_DESTRUCT(&ompi_mpi_windows);
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return OMPI_SUCCESS;
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}
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static ompi_win_t *
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alloc_window(struct ompi_communicator_t *comm)
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{
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ompi_win_t *win;
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ompi_group_t *group;
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/* create the object */
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win = OBJ_NEW(ompi_win_t);
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if (NULL == win) return NULL;
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/* setup data that is independent of osc component */
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group = comm->c_local_group;
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OBJ_RETAIN(group);
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ompi_group_increment_proc_count(group);
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win->w_group = group;
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return win;
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}
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static int
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config_window(void *base, size_t size, int disp_unit,
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int flavor, int model, ompi_win_t *win)
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{
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int ret;
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ret = ompi_attr_set_c(WIN_ATTR, win, &win->w_keyhash,
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MPI_WIN_BASE, base, true);
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if (OMPI_SUCCESS != ret) return ret;
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ret = ompi_attr_set_fortran_mpi2(WIN_ATTR, win,
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&win->w_keyhash,
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MPI_WIN_SIZE, size, true);
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if (OMPI_SUCCESS != ret) return ret;
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ret = ompi_attr_set_fortran_mpi2(WIN_ATTR, win,
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&win->w_keyhash,
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MPI_WIN_DISP_UNIT, disp_unit,
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true);
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if (OMPI_SUCCESS != ret) return ret;
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ret = ompi_attr_set_fortran_mpi2(WIN_ATTR, win,
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&win->w_keyhash,
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MPI_WIN_CREATE_FLAVOR, flavor, true);
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if (OMPI_SUCCESS != ret) return ret;
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ret = ompi_attr_set_fortran_mpi2(WIN_ATTR, win,
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&win->w_keyhash,
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MPI_WIN_MODEL, model, true);
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if (OMPI_SUCCESS != ret) return ret;
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win->w_f_to_c_index = opal_pointer_array_add(&ompi_mpi_windows, win);
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if (-1 == win->w_f_to_c_index) return OMPI_ERR_OUT_OF_RESOURCE;
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return OMPI_SUCCESS;
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}
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int
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ompi_win_create(void *base, size_t size,
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int disp_unit, ompi_communicator_t *comm,
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ompi_info_t *info,
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ompi_win_t** newwin)
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{
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ompi_win_t *win;
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int model;
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int ret;
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win = alloc_window(comm);
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if (NULL == win) return OMPI_ERR_OUT_OF_RESOURCE;
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ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_CREATE, &model);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_CREATE, model, win);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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*newwin = win;
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return OMPI_SUCCESS;
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}
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int
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ompi_win_allocate(size_t size, int disp_unit, ompi_info_t *info,
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ompi_communicator_t *comm, void *baseptr, ompi_win_t **newwin)
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{
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ompi_win_t *win;
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int model;
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int ret;
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void *base;
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win = alloc_window(comm);
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if (NULL == win) return OMPI_ERR_OUT_OF_RESOURCE;
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ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_ALLOCATE, &model);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_ALLOCATE, model, win);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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*((void**) baseptr) = base;
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*newwin = win;
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return OMPI_SUCCESS;
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}
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int
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ompi_win_allocate_shared(size_t size, int disp_unit, ompi_info_t *info,
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ompi_communicator_t *comm, void *baseptr, ompi_win_t **newwin)
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{
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ompi_win_t *win;
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int model;
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int ret;
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void *base;
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win = alloc_window(comm);
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if (NULL == win) return OMPI_ERR_OUT_OF_RESOURCE;
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ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_SHARED, &model);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_SHARED, model, win);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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*((void**) baseptr) = base;
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*newwin = win;
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return OMPI_SUCCESS;
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}
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int
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ompi_win_create_dynamic(ompi_info_t *info, ompi_communicator_t *comm, ompi_win_t **newwin)
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{
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ompi_win_t *win;
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int model;
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int ret;
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win = alloc_window(comm);
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if (NULL == win) return OMPI_ERR_OUT_OF_RESOURCE;
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ret = ompi_osc_base_select(win, MPI_BOTTOM, 0, 1, comm, info, MPI_WIN_FLAVOR_DYNAMIC, &model);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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ret = config_window(MPI_BOTTOM, 0, 1, MPI_WIN_FLAVOR_DYNAMIC, model, win);
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if (OMPI_SUCCESS != ret) {
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OBJ_RELEASE(win);
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return ret;
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}
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*newwin = win;
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return OMPI_SUCCESS;
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}
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int
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ompi_win_free(ompi_win_t *win)
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{
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int ret = win->w_osc_module->osc_free(win);
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if (-1 != win->w_f_to_c_index) {
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opal_pointer_array_set_item(&ompi_mpi_windows,
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win->w_f_to_c_index,
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NULL);
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}
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if (OMPI_SUCCESS == ret) {
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OBJ_RELEASE(win);
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}
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return ret;
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}
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int
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ompi_win_set_name(ompi_win_t *win, const char *win_name)
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{
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OPAL_THREAD_LOCK(&(win->w_lock));
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memset(win->w_name, 0, MPI_MAX_OBJECT_NAME);
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strncpy(win->w_name, win_name, MPI_MAX_OBJECT_NAME);
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win->w_name[MPI_MAX_OBJECT_NAME - 1] = 0;
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OPAL_THREAD_UNLOCK(&(win->w_lock));
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return OMPI_SUCCESS;
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}
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int
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ompi_win_get_name(ompi_win_t *win, char *win_name, int *length)
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{
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OPAL_THREAD_LOCK(&(win->w_lock));
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strncpy(win_name, win->w_name, MPI_MAX_OBJECT_NAME);
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*length = (int)strlen(win->w_name);
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OPAL_THREAD_UNLOCK(&(win->w_lock));
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return OMPI_SUCCESS;
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}
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int
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ompi_win_group(ompi_win_t *win, ompi_group_t **group) {
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OBJ_RETAIN(win->w_group);
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ompi_group_increment_proc_count(win->w_group);
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*group = win->w_group;
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return OMPI_SUCCESS;
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}
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static void
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ompi_win_construct(ompi_win_t *win)
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{
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OBJ_CONSTRUCT(&win->w_lock, opal_mutex_t);
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win->w_name[0] = '\0';
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win->w_group = NULL;
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win->w_keyhash = NULL;
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win->w_f_to_c_index = 0;
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/* every new window defaults to MPI_ERRORS_ARE_FATAL (MPI-2 6.6.1,
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pg. 137) */
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OBJ_RETAIN(&ompi_mpi_errors_are_fatal.eh);
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win->error_handler = &ompi_mpi_errors_are_fatal.eh;
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win->errhandler_type = OMPI_ERRHANDLER_TYPE_WIN;
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win->w_flags = 0;
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win->w_osc_module = NULL;
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}
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static void
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ompi_win_destruct(ompi_win_t *win)
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{
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if (NULL != win->w_keyhash) {
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ompi_attr_delete_all(WIN_ATTR, win, win->w_keyhash);
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OBJ_RELEASE(win->w_keyhash);
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}
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if (NULL != win->error_handler) {
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OBJ_RELEASE(win->error_handler);
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}
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if (NULL != win->w_group) {
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ompi_group_decrement_proc_count(win->w_group);
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OBJ_RELEASE(win->w_group);
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}
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OBJ_DESTRUCT(&win->w_lock);
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}
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