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openmpi/oshmem/runtime/oshmem_shmem_finalize.c
2016-11-22 15:03:20 -08:00

171 строка
4.5 KiB
C

/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include "opal/util/output.h"
#include "opal/runtime/opal_progress.h"
#include "opal/mca/base/base.h"
#include "opal/sys/atomic.h"
#include "opal/runtime/opal.h"
#include "orte/util/show_help.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/grpcomm/grpcomm.h"
#include "orte/runtime/runtime.h"
#include "orte/runtime/orte_globals.h"
#include "opal/mca/rcache/base/base.h"
#include "opal/mca/mpool/base/base.h"
#include "opal/mca/allocator/base/base.h"
#include "ompi/runtime/mpiruntime.h"
#include "oshmem/constants.h"
#include "oshmem/runtime/runtime.h"
#include "oshmem/runtime/params.h"
#include "oshmem/mca/spml/base/base.h"
#include "oshmem/mca/scoll/base/base.h"
#include "oshmem/mca/atomic/base/base.h"
#include "oshmem/mca/memheap/base/base.h"
#include "oshmem/mca/sshmem/base/base.h"
#include "oshmem/info/info.h"
#include "oshmem/proc/proc.h"
#include "oshmem/proc/proc_group_cache.h"
#include "oshmem/op/op.h"
#include "oshmem/request/request.h"
#include "oshmem/shmem/shmem_lock.h"
#include "oshmem/runtime/oshmem_shmem_preconnect.h"
static int _shmem_finalize(void);
int oshmem_shmem_finalize(void)
{
int ret = OSHMEM_SUCCESS;
static int32_t finalize_has_already_started = 0;
if (opal_atomic_cmpset_32(&finalize_has_already_started, 0, 1)
&& oshmem_shmem_initialized && !oshmem_shmem_aborted) {
/* Should be called first because ompi_mpi_finalize makes orte and opal finalization */
ret = _shmem_finalize();
if ((OSHMEM_SUCCESS == ret) && ompi_mpi_initialized
&& !ompi_mpi_finalized) {
PMPI_Comm_free(&oshmem_comm_world);
ret = ompi_mpi_finalize();
}
if (OSHMEM_SUCCESS == ret) {
oshmem_shmem_initialized = false;
}
}
return ret;
}
static int _shmem_finalize(void)
{
int ret = OSHMEM_SUCCESS;
shmem_barrier_all();
shmem_lock_finalize();
/* Finalize preconnect framework */
if (OSHMEM_SUCCESS != (ret = oshmem_shmem_preconnect_all_finalize())) {
return ret;
}
/* free requests */
if (OSHMEM_SUCCESS != (ret = oshmem_request_finalize())) {
return ret;
}
/* must free cached groups before we kill collectives */
if (OSHMEM_SUCCESS != (ret = oshmem_group_cache_list_free())) {
return ret;
}
/* We need to call mca_scoll_base_group_unselect explicitly for each group
* that are not freed by oshmem_group_cache_list_free. We can only release its collectives at this point */
mca_scoll_base_group_unselect(oshmem_group_all);
mca_scoll_base_group_unselect(oshmem_group_self);
/* Close down MCA modules */
if (OSHMEM_SUCCESS != (ret = mca_base_framework_close(&oshmem_atomic_base_framework) ) ) {
return ret;
}
if (OSHMEM_SUCCESS != (ret = mca_base_framework_close(&oshmem_scoll_base_framework) ) ) {
return ret;
}
if (OSHMEM_SUCCESS != (ret = mca_base_framework_close(&oshmem_memheap_base_framework) ) ) {
return ret;
}
if (OSHMEM_SUCCESS != (ret = mca_base_framework_close(&oshmem_sshmem_base_framework) ) ) {
return ret;
}
if (OSHMEM_SUCCESS
!= (ret =
MCA_SPML_CALL(del_procs(oshmem_group_all->proc_array, oshmem_group_all->proc_count)))) {
return ret;
}
oshmem_shmem_barrier();
/* free spml resource */
if (OSHMEM_SUCCESS != (ret = mca_spml_base_finalize())) {
return ret;
}
if (OSHMEM_SUCCESS != (ret = mca_base_framework_close(&oshmem_spml_base_framework) ) ) {
return ret;
}
/* free op resources */
if (OSHMEM_SUCCESS != (ret = oshmem_op_finalize())) {
return ret;
}
/* free proc_group resources */
if (OSHMEM_SUCCESS != (ret = oshmem_proc_group_finalize())) {
return ret;
}
/* free proc resources */
if (OSHMEM_SUCCESS != (ret = oshmem_proc_finalize())) {
return ret;
}
/* free info resources */
if (OSHMEM_SUCCESS != (ret = oshmem_info_finalize())) {
return ret;
}
return ret;
}