130 строки
3.8 KiB
C
130 строки
3.8 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) 2004-2007 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) 2008 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2010-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2014 Intel, Inc. 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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/** @file **/
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#ifndef OPAL_H
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#define OPAL_H
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#include "opal_config.h"
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#include "opal/types.h"
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BEGIN_C_DECLS
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/** version string of opal */
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OPAL_DECLSPEC extern const char opal_version_string[];
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/* Size of a cache line. Initialized to a fixed value (see
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opal_init.c) until hwloc data is available, at which time it is
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filled with the smallest size of the lowest cache line (e.g., the
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smallest line size from all L2 caches found on the current system).
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If the hwloc data is available, opal_cache_line_size will be set to
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its final value by the end of orte_init(). */
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OPAL_DECLSPEC extern int opal_cache_line_size;
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/** Do we want to be warned on fork or not? */
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OPAL_DECLSPEC extern bool opal_warn_on_fork;
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/**
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* Initialize the OPAL layer, including the MCA system.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*
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* \note If this function is called, opal_init_util() should *not* be
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* called.
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*/
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OPAL_DECLSPEC int opal_init(int* pargc, char*** pargv);
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/**
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* Finalize the OPAL layer, including the MCA system.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*
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* \note If this function is called, opal_finalize_util() should *not*
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* be called.
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*/
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OPAL_DECLSPEC int opal_finalize(void);
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/**
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* Initialize the OPAL layer, excluding the MCA system.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*
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* \note If this function is called, opal_init() should *not*
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* be called.
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*/
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OPAL_DECLSPEC int opal_init_util(int* pargc, char*** pargv);
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/**
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* Finalize the OPAL layer, excluding the MCA system.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*
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* \note If this function is called, opal_finalize() should *not*
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* be called.
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*/
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OPAL_DECLSPEC int opal_finalize_util(void);
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/**
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* Initialize a very thin OPAL layer solely for use
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* by unit tests. The purpose of this function is to
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* provide the absolute bare minimum support required
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* to open, select, and close a framework. This is
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* maintained separately from the other OPAL runtime
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* APIs to avoid conflicts when new frameworks are
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* added to the normal OPAL init sequence. It has no
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* other purpose and should not be used outside of
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* unit tests.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*/
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OPAL_DECLSPEC int opal_init_test(void);
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/**
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* Finalize the very thin OPAL layer used solely
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* by unit tests. The purpose of this function is to
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* finalize the absolute bare minimum support opened
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* by its companion opal_init_test API. It has no
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* other purpose and should not be used outside of
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* unit tests.
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*
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* @retval OPAL_SUCCESS Upon success.
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* @retval OPAL_ERROR Upon failure.
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*/
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OPAL_DECLSPEC void opal_finalize_test(void);
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OPAL_DECLSPEC void opal_warn_fork(void);
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/**
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* Internal function. Do not call.
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*/
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OPAL_DECLSPEC int opal_register_params(void);
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OPAL_DECLSPEC int opal_deregister_params(void);
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END_C_DECLS
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#endif
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