80 строки
1.7 KiB
C
80 строки
1.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2007 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011-2012 Los Alamos National Security, LLC. All
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* 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 "orte_config.h"
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#include "orte/constants.h"
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#include "orte/types.h"
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#include <string.h>
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#include <pmi.h>
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#if WANT_CRAY_PMI2_EXT
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#include <pmi2.h>
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#endif
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#include "common_pmi.h"
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static int mca_common_pmi_init_count = 0;
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bool mca_common_pmi_init (void) {
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if (0 < mca_common_pmi_init_count++) {
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return true;
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}
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#if WANT_CRAY_PMI2_EXT
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{
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int spawned, size, rank, appnum;
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/* if we can't startup PMI, we can't be used */
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if (PMI2_Initialized ()) {
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return true;
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}
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if (PMI_SUCCESS != PMI2_Init(&spawned, &size, &rank, &appnum)) {
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mca_common_pmi_init_count--;
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return false;
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}
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}
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#else
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{
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PMI_BOOL initialized;
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if (PMI_SUCCESS != PMI_Initialized(&initialized)) {
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mca_common_pmi_init_count--;
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return false;
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}
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if (PMI_TRUE != initialized && PMI_SUCCESS != PMI_Init(&initialized)) {
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mca_common_pmi_init_count--;
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return false;
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}
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}
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#endif
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return true;
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}
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void mca_common_pmi_finalize (void) {
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if (0 == mca_common_pmi_init_count) {
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return;
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}
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if (0 == --mca_common_pmi_init_count) {
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#if WANT_CRAY_PMI2_EXT
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PMI2_Finalize ();
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#else
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PMI_Finalize ();
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#endif
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}
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}
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