c1dcf1c164
can occur ( fixes trac:2111 ). Should not deregister memory with the rcache lock held otherwise a deadlock can occur as the lower level infiniband libraries can free memory ( fixes trac:2110 ) cmr:v1.4 This commit was SVN r22683. The following Trac tickets were found above: Ticket 2110 --> https://svn.open-mpi.org/trac/ompi/ticket/2110 Ticket 2111 --> https://svn.open-mpi.org/trac/ompi/ticket/2111
86 строки
2.8 KiB
C
86 строки
2.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; -*- */
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/**
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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) 2004-2007 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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*
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* Copyright (c) 2006 Voltaire. All rights reserved.
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* Copyright (c) 2009 IBM Corporation. All rights reserved.
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*
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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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/**
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* @file
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* Description of the Registration Cache framework
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*/
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#ifndef MCA_RCACHE_VMA_H
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#define MCA_RCACHE_VMA_H
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#include "ompi_config.h"
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#include "opal/mca/mca.h"
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#include "opal/class/opal_list.h"
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#include "ompi/class/ompi_rb_tree.h"
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#include "ompi/mca/rcache/rcache.h"
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struct mca_rcache_vma_module_t {
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mca_rcache_base_module_t base;
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ompi_rb_tree_t rb_tree;
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opal_list_t vma_list;
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opal_list_t vma_delete_list;
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size_t reg_cur_cache_size;
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};
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typedef struct mca_rcache_vma_module_t mca_rcache_vma_module_t;
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struct mca_rcache_vma_component_t {
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mca_rcache_base_component_t super;
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};
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typedef struct mca_rcache_vma_component_t mca_rcache_vma_component_t;
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OMPI_DECLSPEC extern mca_rcache_vma_component_t mca_rcache_vma_component;
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void mca_rcache_vma_module_init(mca_rcache_vma_module_t* rcache);
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int mca_rcache_vma_find(mca_rcache_base_module_t* rcache, void* addr,
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size_t size, mca_mpool_base_registration_t **reg);
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int mca_rcache_vma_find_all(mca_rcache_base_module_t* rcache, void* addr,
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size_t size, mca_mpool_base_registration_t **regs, int reg_cnt);
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int mca_rcache_vma_insert(struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* registration, size_t limit);
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int mca_rcache_vma_delete(struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* registration);
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/* It is not safe to call mca_rcache_vma_clean with the rcache lock held */
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void mca_rcache_vma_clean(struct mca_rcache_base_module_t* rcache);
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/* Destroy vma objects which are on the deferred delete list. These were placed
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on the list earlier when the rcache lock was held and it was not safe to
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destory them. They should not be linked into any other structure anymore except
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the vma_list_delete list */
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/**
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* init/finalize
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*/
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void mca_rcache_vma_module_init(mca_rcache_vma_module_t *rcache);
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void mca_rcache_vma_finalize(struct mca_rcache_base_module_t*);
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#endif /* MCA_RCACHE_VMA_H */
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