319 строки
9.0 KiB
C
319 строки
9.0 KiB
C
/*
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* Copyright (c) 2004-2007 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) 2004-2005 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) 2006-2007 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2006 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2006 University of Houston. All rights reserved.
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*
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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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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#include "opal/event/event.h"
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#include "opal/runtime/opal_progress.h"
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#include "opal/mca/maffinity/base/base.h"
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#include "opal/mca/base/base.h"
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#include "opal/util/show_help.h"
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#include "opal/sys/atomic.h"
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#include "orte/util/proc_info.h"
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#include "orte/mca/oob/base/base.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/errmgr/errmgr.h"
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#include "orte/mca/grpcomm/grpcomm.h"
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#include "orte/runtime/runtime.h"
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#include "mpi.h"
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#include "ompi/constants.h"
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#include "ompi/group/group.h"
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#include "ompi/errhandler/errcode.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/datatype/datatype.h"
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#include "ompi/op/op.h"
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#include "ompi/file/file.h"
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#include "ompi/info/info.h"
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#include "ompi/runtime/mpiruntime.h"
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#include "ompi/attribute/attribute.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/mca/pml/base/base.h"
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#include "ompi/mca/osc/base/base.h"
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#include "ompi/mca/coll/coll.h"
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#include "ompi/mca/coll/base/base.h"
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#include "ompi/mca/topo/topo.h"
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#include "ompi/mca/topo/base/base.h"
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#include "ompi/mca/io/io.h"
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#include "ompi/mca/io/base/base.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/mca/rcache/base/base.h"
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#include "ompi/mca/pml/base/pml_base_bsend.h"
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#include "ompi/runtime/params.h"
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#include "ompi/mca/mpool/base/mpool_base_tree.h"
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#include "ompi/mca/dpm/base/base.h"
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#include "ompi/mca/pubsub/base/base.h"
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#if OPAL_ENABLE_FT == 1
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#include "ompi/mca/crcp/crcp.h"
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#include "ompi/mca/crcp/base/base.h"
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#endif
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#include "ompi/runtime/ompi_cr.h"
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int ompi_mpi_finalize(void)
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{
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int ret;
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static int32_t finalize_has_already_started = 0;
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opal_list_item_t *item;
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/* Be a bit social if an erroneous program calls MPI_FINALIZE in
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two different threads, otherwise we may deadlock in
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ompi_comm_free() (or run into other nasty lions, tigers, or
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bears) */
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if (! opal_atomic_cmpset_32(&finalize_has_already_started, 0, 1)) {
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/* Note that if we're already finalized, we cannot raise an
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MPI exception. The best that we can do is write something
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to stderr. */
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char hostname[MAXHOSTNAMELEN];
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pid_t pid = getpid();
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gethostname(hostname, sizeof(hostname));
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opal_show_help("help-mpi-runtime.txt",
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"mpi_finalize:invoked_multiple_times",
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true, hostname, pid);
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return MPI_ERR_OTHER;
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}
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/* Per MPI-2:4.8, we have to free MPI_COMM_SELF before doing
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anything else in MPI_FINALIZE (to include setting up such that
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MPI_FINALIZED will return true). */
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if (NULL != ompi_mpi_comm_self.c_keyhash) {
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ompi_attr_delete_all(COMM_ATTR, &ompi_mpi_comm_self,
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ompi_mpi_comm_self.c_keyhash);
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OBJ_RELEASE(ompi_mpi_comm_self.c_keyhash);
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ompi_mpi_comm_self.c_keyhash = NULL;
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}
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/* Proceed with MPI_FINALIZE */
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ompi_mpi_finalized = true;
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#if OMPI_ENABLE_PROGRESS_THREADS == 0
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opal_progress_set_event_flag(OPAL_EVLOOP_ONELOOP);
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#endif
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/* Redo ORTE calling opal_progress_event_users_increment() during
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MPI lifetime, to get better latency when not using TCP */
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opal_progress_event_users_increment();
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/* If maffinity was setup, tear it down */
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if (ompi_mpi_maffinity_setup) {
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opal_maffinity_base_close();
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}
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/* wait for everyone to reach this point
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This is a grpcomm barrier instead of an MPI barrier because an
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MPI barrier doesn't ensure that all messages have been transmitted
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before exiting, so the possibility of a stranded message exists.
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*/
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if (OMPI_SUCCESS != (ret = orte_grpcomm.barrier())) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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/*
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* Shutdown the Checkpoint/Restart Mech.
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*/
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if (OMPI_SUCCESS != (ret = ompi_cr_finalize())) {
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ORTE_ERROR_LOG(ret);
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}
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/* Shut down any bindings-specific issues: C++, F77, F90 */
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/* Remove all memory associated by MPI_REGISTER_DATAREP (per
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MPI-2:9.5.3, there is no way for an MPI application to
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*un*register datareps, but we don't want the OMPI layer causing
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memory leaks). */
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while (NULL != (item = opal_list_remove_first(&ompi_registered_datareps))) {
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OBJ_RELEASE(item);
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}
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/* Free communication objects */
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/* free window resources */
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/* free file resources */
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if (OMPI_SUCCESS != (ret = ompi_file_finalize())) {
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return ret;
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}
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/* free window resources */
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if (OMPI_SUCCESS != (ret = ompi_win_finalize())) {
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return ret;
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}
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if (OMPI_SUCCESS != (ret = ompi_osc_base_finalize())) {
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return ret;
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}
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/* free pml resource */
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if(OMPI_SUCCESS != (ret = mca_pml_base_finalize())) {
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return ret;
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}
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/* free communicator resources */
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if (OMPI_SUCCESS != (ret = ompi_comm_finalize())) {
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return ret;
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}
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/* free requests */
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if (OMPI_SUCCESS != (ret = ompi_request_finalize())) {
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return ret;
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}
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/* If requested, print out a list of memory allocated by ALLOC_MEM
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but not freed by FREE_MEM */
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if (0 != ompi_debug_show_mpi_alloc_mem_leaks) {
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mca_mpool_base_tree_print();
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}
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/* Now that all MPI objects dealing with communications are gone,
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shut down MCA types having to do with communications */
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if (OMPI_SUCCESS != (ret = mca_pml_base_close())) {
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return ret;
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}
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/* shut down buffered send code */
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mca_pml_base_bsend_fini();
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#if OPAL_ENABLE_FT == 1
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/*
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* Shutdown the CRCP Framework, must happen after PML shutdown
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*/
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if (OMPI_SUCCESS != (ret = ompi_crcp_base_close() ) ) {
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ORTE_ERROR_LOG(ret);
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return ret;
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}
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#endif
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/* Free secondary resources */
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/* free attr resources */
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if (OMPI_SUCCESS != (ret = ompi_attr_finalize())) {
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return ret;
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}
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/* free group resources */
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if (OMPI_SUCCESS != (ret = ompi_group_finalize())) {
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return ret;
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}
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/* free proc resources */
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if ( OMPI_SUCCESS != (ret = ompi_proc_finalize())) {
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return ret;
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}
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/* finalize the pubsub functions */
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if ( OMPI_SUCCESS != (ret = ompi_pubsub_base_close())) {
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return ret;
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}
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/* finalize the DPM framework */
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if ( OMPI_SUCCESS != (ret = ompi_dpm_base_close())) {
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return ret;
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}
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/* free internal error resources */
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if (OMPI_SUCCESS != (ret = ompi_errcode_intern_finalize())) {
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return ret;
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}
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/* free error code resources */
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if (OMPI_SUCCESS != (ret = ompi_mpi_errcode_finalize())) {
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return ret;
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}
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/* free errhandler resources */
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if (OMPI_SUCCESS != (ret = ompi_errhandler_finalize())) {
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return ret;
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}
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/* Free all other resources */
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/* free op resources */
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if (OMPI_SUCCESS != (ret = ompi_op_finalize())) {
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return ret;
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}
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/* free ddt resources */
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if (OMPI_SUCCESS != (ret = ompi_ddt_finalize())) {
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return ret;
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}
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/* free info resources */
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if (OMPI_SUCCESS != (ret = ompi_info_finalize())) {
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return ret;
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}
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/* Close down MCA modules */
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/* io is opened lazily, so it's only necessary to close it if it
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was actually opened */
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if (mca_io_base_components_opened_valid ||
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mca_io_base_components_available_valid) {
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if (OMPI_SUCCESS != (ret = mca_io_base_close())) {
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return ret;
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}
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}
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if (OMPI_SUCCESS != (ret = mca_topo_base_close())) {
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return ret;
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}
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if (OMPI_SUCCESS != (ret = ompi_osc_base_close())) {
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return ret;
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}
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if (OMPI_SUCCESS != (ret = mca_coll_base_close())) {
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return ret;
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}
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if (OMPI_SUCCESS != (ret = mca_mpool_base_close())) {
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return ret;
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}
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if (OMPI_SUCCESS != (ret = mca_rcache_base_close())) {
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return ret;
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}
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/* Leave the RTE */
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if (OMPI_SUCCESS != (ret = orte_finalize())) {
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return ret;
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}
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/* All done */
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return MPI_SUCCESS;
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}
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