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
104 строки
3.4 KiB
C
104 строки
3.4 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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* Copyright (c) 2009 IBM Corporation. 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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/**
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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_H
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#define MCA_RCACHE_H
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#include "opal/mca/mca.h"
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#include "ompi/mca/mpool/mpool.h"
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#include "opal/threads/mutex.h"
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/**
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* component initialize
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*/
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typedef struct mca_rcache_base_module_t* (*mca_rcache_base_component_init_fn_t)(void);
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typedef int (*mca_rcache_base_module_find_fn_t) (
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struct mca_rcache_base_module_t* rcache, void* addr, size_t size,
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mca_mpool_base_registration_t **reg);
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typedef int (*mca_rcache_base_module_find_all_fn_t)(
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struct mca_rcache_base_module_t* rcache, void* addr, size_t size,
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mca_mpool_base_registration_t **regs, int reg_cnt);
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typedef int (*mca_rcache_base_module_insert_fn_t)(
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struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* registration, size_t limit);
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typedef int (*mca_rcache_base_module_delete_fn_t)(
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struct mca_rcache_base_module_t* rcache,
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mca_mpool_base_registration_t* registration);
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/* Do not call the clean function with the rcache lock held */
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typedef int (*mca_rcache_base_module_clean_fn_t)(
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struct mca_rcache_base_module_t* rcache);
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/**
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* finalize
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*/
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typedef void (*mca_rcache_base_module_finalize_fn_t)(
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struct mca_rcache_base_module_t*);
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/**
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* rcache component descriptor. Contains component version information and
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* open/close/init functions
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*/
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struct mca_rcache_base_component_2_0_0_t{
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mca_base_component_t rcache_version; /**< version */
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mca_base_component_data_t rcache_data; /**<metadata */
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mca_rcache_base_component_init_fn_t rcache_init; /**<init function */
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};
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typedef struct mca_rcache_base_component_2_0_0_t mca_rcache_base_component_2_0_0_t;
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typedef struct mca_rcache_base_component_2_0_0_t mca_rcache_base_component_t;
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/**
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* rcache module descriptor
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*/
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struct mca_rcache_base_module_t {
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mca_rcache_base_component_t *rcache_component; /**< component struct */
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mca_rcache_base_module_find_fn_t rcache_find;
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mca_rcache_base_module_find_all_fn_t rcache_find_all;
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mca_rcache_base_module_insert_fn_t rcache_insert;
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mca_rcache_base_module_delete_fn_t rcache_delete;
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mca_rcache_base_module_clean_fn_t rcache_clean;
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mca_rcache_base_module_finalize_fn_t rcache_finalize;
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opal_mutex_t lock;
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};
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typedef struct mca_rcache_base_module_t mca_rcache_base_module_t;
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/**
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* Macro for use in components that are of type rcache
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*/
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#define MCA_RCACHE_BASE_VERSION_2_0_0 \
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MCA_BASE_VERSION_2_0_0, \
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"rcache", 2, 0, 0
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#endif /* MCA_RCACHE_H */
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