21b1e7f8c5
- MPI_Compare_and_swap - MPI_Fetch_and_op - MPI_Raccumulate - MPI_Win_detach Thanks to Michael Knobloch and Takahiro Kawashima for bringing this to our attention
120 строки
3.7 KiB
C
120 строки
3.7 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.
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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 (c) 2007-2014 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2012-2013 Sandia National Laboratories. All rights reserved.
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* Copyright (c) 2015 Research Organization for Information Science
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* and Technology (RIST). 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 "osc_pt2pt.h"
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#include "opal/threads/mutex.h"
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#include "opal/mca/btl/btl.h"
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#include "ompi/win/win.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/mca/osc/base/base.h"
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#include "mpi.h"
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int
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ompi_osc_pt2pt_attach(struct ompi_win_t *win, void *base, size_t len)
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{
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return OMPI_SUCCESS;
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}
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int
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ompi_osc_pt2pt_detach(struct ompi_win_t *win, const void *base)
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{
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return OMPI_SUCCESS;
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}
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int
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ompi_osc_pt2pt_free(ompi_win_t *win)
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{
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int ret = OMPI_SUCCESS;
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ompi_osc_pt2pt_module_t *module = GET_MODULE(win);
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if (NULL == module) {
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return OMPI_SUCCESS;
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}
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if (NULL != module->comm) {
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opal_output_verbose(1, ompi_osc_base_framework.framework_output,
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"pt2pt component destroying window with id %d",
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ompi_comm_get_cid(module->comm));
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/* finish with a barrier */
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if (ompi_group_size(win->w_group) > 1) {
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ret = module->comm->c_coll.coll_barrier(module->comm,
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module->comm->c_coll.coll_barrier_module);
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}
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/* remove from component information */
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OPAL_THREAD_SCOPED_LOCK(&mca_osc_pt2pt_component.lock,
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opal_hash_table_remove_value_uint32(&mca_osc_pt2pt_component.modules,
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ompi_comm_get_cid(module->comm)));
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}
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win->w_osc_module = NULL;
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OBJ_DESTRUCT(&module->outstanding_locks);
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OBJ_DESTRUCT(&module->locks_pending);
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OBJ_DESTRUCT(&module->locks_pending_lock);
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OBJ_DESTRUCT(&module->acc_lock);
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OBJ_DESTRUCT(&module->cond);
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OBJ_DESTRUCT(&module->lock);
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/* it is erroneous to close a window with active operations on it so we should
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* probably produce an error here instead of cleaning up */
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OPAL_LIST_DESTRUCT(&module->pending_acc);
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OPAL_LIST_DESTRUCT(&module->pending_posts);
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osc_pt2pt_gc_clean (module);
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OPAL_LIST_DESTRUCT(&module->request_gc);
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OPAL_LIST_DESTRUCT(&module->buffer_gc);
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OBJ_DESTRUCT(&module->gc_lock);
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if (NULL != module->peers) {
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for (int i = 0 ; i < ompi_comm_size (module->comm) ; ++i) {
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OBJ_DESTRUCT(module->peers + i);
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}
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free(module->peers);
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}
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if (NULL != module->epoch_outgoing_frag_count) free(module->epoch_outgoing_frag_count);
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if (NULL != module->frag_request) {
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module->frag_request->req_complete_cb = NULL;
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ompi_request_cancel (module->frag_request);
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ompi_request_free (&module->frag_request);
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}
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if (NULL != module->comm) {
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ompi_comm_free(&module->comm);
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}
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if (NULL != module->incoming_buffer) free (module->incoming_buffer);
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if (NULL != module->free_after) free(module->free_after);
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free (module);
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return ret;
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}
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