86 строки
2.5 KiB
C
86 строки
2.5 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2006 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) 2004-2007 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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* $COPYRIGHT$
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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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#ifndef _IOF_BASE_FRAGMENT_
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#define _IOF_BASE_FRAGMENT_
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#include "orte_config.h"
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#include "opal/class/opal_list.h"
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#include "opal/class/opal_free_list.h"
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#include "opal/event/event.h"
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#include "orte/mca/iof/iof.h"
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#include "orte/mca/iof/base/base.h"
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#include "orte/mca/iof/base/iof_base_header.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* Fragment used to hold message header/data.
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*/
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struct orte_iof_base_frag_t {
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opal_free_list_item_t super;
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orte_iof_base_header_t frag_hdr;
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orte_process_name_t frag_src;
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unsigned char frag_data[ORTE_IOF_BASE_MSG_MAX];
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unsigned char* frag_ptr;
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size_t frag_len;
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struct iovec frag_iov[2];
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struct orte_iof_base_endpoint_t* frag_owner;
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};
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typedef struct orte_iof_base_frag_t orte_iof_base_frag_t;
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ORTE_DECLSPEC OBJ_CLASS_DECLARATION(orte_iof_base_frag_t);
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/**
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* Free-list allocation of fragments.
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*/
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#define ORTE_IOF_BASE_FRAG_ALLOC(frag,rc) do { \
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opal_free_list_item_t* _item; \
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OPAL_FREE_LIST_GET(&orte_iof_base.iof_fragments, _item, rc); \
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if(NULL == (frag = (orte_iof_base_frag_t*)_item)) { \
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opal_output(0, "ORTE_IOF_BASE_FRAG_ALLOC failed with status=%d\n", rc); \
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} \
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frag->frag_owner = NULL; \
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frag->frag_ptr = frag->frag_data; \
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frag->frag_len = 0; \
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} while(0)
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#define ORTE_IOF_BASE_FRAG_RETURN(frag) \
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OPAL_FREE_LIST_RETURN(&orte_iof_base.iof_fragments, \
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&frag->super);
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/**
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* Send an acknowledgment to the peer that this fragment has been received.
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*/
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#define orte_iof_base_frag_ack(frag, do_close) _orte_iof_base_frag_ack((frag), (do_close), __FILE__,__LINE__)
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int _orte_iof_base_frag_ack(orte_iof_base_frag_t*, bool do_close, const char*, int);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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