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openmpi/ompi/mca/osc/rdma/osc_rdma.c
Ralph Castain 49d938de29 Merge one-sided updates to the trunk - written by Brian Barrett and Nathan Hjelmn
cmr=v1.7.5:reviewer=hjelmn:subject=Update one-sided to MPI-3

This commit was SVN r30816.
2014-02-25 17:36:43 +00:00

112 строки
3.6 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* 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) 2007-2014 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2012-2013 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "osc_rdma.h"
#include "opal/threads/mutex.h"
#include "ompi/win/win.h"
#include "ompi/communicator/communicator.h"
#include "ompi/mca/btl/btl.h"
#include "ompi/mca/osc/base/base.h"
#include "mpi.h"
int
ompi_osc_rdma_attach(struct ompi_win_t *win, void *base, size_t len)
{
return OMPI_SUCCESS;
}
int
ompi_osc_rdma_detach(struct ompi_win_t *win, void *base)
{
return OMPI_SUCCESS;
}
int
ompi_osc_rdma_free(ompi_win_t *win)
{
int ret = OMPI_SUCCESS;
ompi_osc_rdma_module_t *module = GET_MODULE(win);
opal_list_item_t *item;
assert (NULL != module);
opal_output_verbose(1, ompi_osc_base_framework.framework_output,
"rdma component destroying window with id %d",
ompi_comm_get_cid(module->comm));
/* finish with a barrier */
if (ompi_group_size(win->w_group) > 1) {
ret = module->comm->c_coll.coll_barrier(module->comm,
module->comm->c_coll.coll_barrier_module);
}
/* remove from component information */
OPAL_THREAD_LOCK(&mca_osc_rdma_component.lock);
opal_hash_table_remove_value_uint32(&mca_osc_rdma_component.modules,
ompi_comm_get_cid(module->comm));
OPAL_THREAD_UNLOCK(&mca_osc_rdma_component.lock);
win->w_osc_module = NULL;
OBJ_DESTRUCT(&module->outstanding_locks);
OBJ_DESTRUCT(&module->locks_pending);
OBJ_DESTRUCT(&module->acc_lock);
OBJ_DESTRUCT(&module->cond);
OBJ_DESTRUCT(&module->lock);
/* it is erroneous to close a window with active operations on it so we should
* probably produce an error here instead of cleaning up */
while (NULL != (item = opal_list_remove_first (&module->pending_acc))) {
OBJ_RELEASE(item);
}
OBJ_DESTRUCT(&module->pending_acc);
osc_rdma_request_gc_clean (module);
assert (0 == opal_list_get_size (&module->request_gc));
OBJ_DESTRUCT(&module->request_gc);
if (NULL != module->peers) {
free(module->peers);
}
if (NULL != module->passive_eager_send_active) free(module->passive_eager_send_active);
if (NULL != module->passive_incoming_frag_count) free(module->passive_incoming_frag_count);
if (NULL != module->passive_incoming_frag_signal_count) free(module->passive_incoming_frag_signal_count);
if (NULL != module->epoch_outgoing_frag_count) free(module->epoch_outgoing_frag_count);
if (NULL != module->incomming_buffer) free (module->incomming_buffer);
if (NULL != module->comm) ompi_comm_free(&module->comm);
if (NULL != module->free_after) free(module->free_after);
if (NULL != module->frag_request) {
module->frag_request->req_complete_cb = NULL;
ompi_request_cancel (module->frag_request);
}
free (module);
return ret;
}