openmpi/ompi/mpi/tool/finalize.c

59 lines
1.5 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2012-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2014-2018 Cisco Systems, Inc. All rights reserved
* Copyright (c) 2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi/mpi/tool/mpit-internal.h"
#include "ompi/runtime/ompi_info_support.h"
#include "opal/include/opal/sys/atomic.h"
#include "opal/runtime/opal.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_T_finalize = PMPI_T_finalize
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/tool/profile/defines.h"
#endif
int MPI_T_finalize (void)
{
ompi_mpit_lock ();
if (!mpit_is_initialized ()) {
ompi_mpit_unlock ();
return MPI_T_ERR_NOT_INITIALIZED;
}
if (0 == --ompi_mpit_init_count) {
(void) ompi_info_close_components ();
int32_t state = ompi_mpi_state;
if ((state < OMPI_MPI_STATE_INIT_COMPLETED ||
state >= OMPI_MPI_STATE_FINALIZE_PAST_COMM_SELF_DESTRUCT) &&
(NULL != ompi_mpi_main_thread)) {
/* we are not between MPI_Init and MPI_Finalize so we
* have to free the ompi_mpi_main_thread */
OBJ_RELEASE(ompi_mpi_main_thread);
ompi_mpi_main_thread = NULL;
}
(void) opal_finalize_util ();
}
ompi_mpit_unlock ();
return MPI_SUCCESS;
}