68 строки
2.1 KiB
C
68 строки
2.1 KiB
C
/*
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* Copyright (c) 2004-2006 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) 2004-2006 The Regents of the University of California.
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* All 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 "ompi_config.h"
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#include "opal/util/output.h"
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#include "ompi/constants.h"
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#include "common_mx.h"
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int ompi_common_mx_initialize_ref_cnt = 0;
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int
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ompi_common_mx_initialize(void)
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{
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mx_return_t mx_return;
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ompi_common_mx_initialize_ref_cnt++;
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if(ompi_common_mx_initialize_ref_cnt == 1) {
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/* set the MX error handle to always return. This function is the
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* only MX function allowed to be called before mx_init in order
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* to make sure that if the MX is not up and running the MX
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* library does not exit the application.
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*/
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mx_set_error_handler(MX_ERRORS_RETURN);
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/* initialize the mx library */
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mx_return = mx_init();
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if(MX_SUCCESS != mx_return){
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opal_output(0,
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"Error in mx_init (error %s)\n",
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mx_strerror(mx_return));
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return OMPI_ERR_NOT_AVAILABLE;
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}
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}
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return OMPI_SUCCESS;
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}
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int
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ompi_common_mx_finalize(void)
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{
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mx_return_t mx_return;
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ompi_common_mx_initialize_ref_cnt--;
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if(ompi_common_mx_initialize == 0) {
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mx_return = mx_finalize();
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if(mx_return != MX_SUCCESS){
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opal_output(0, "Error in mx_finalize (error %s)\n", mx_strerror(mx_return));
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return OMPI_ERROR;
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}
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}
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return OMPI_SUCCESS;
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}
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