8bfcfa464a
ibv_dereg_mr() for instance) from ptmalloc callback. Call to free() from the callback causes deadlock. Notice what should be unregistered inside the callback and do actual cleanup at the next call to mpool->register(). This commit was SVN r17064.
99 строки
3.1 KiB
C
99 строки
3.1 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; -*- */
|
|
/**
|
|
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2007 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Copyright (c) 2006 Voltaire. All rights reserved.
|
|
*
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
/**
|
|
* @file
|
|
* Description of the Registration Cache framework
|
|
*/
|
|
#ifndef MCA_RCACHE_VMA_TREE_H
|
|
#define MCA_RCACHE_VMA_TREE_H
|
|
#include "opal/mca/mca.h"
|
|
#include "ompi/info/info.h"
|
|
#include "ompi/class/ompi_free_list.h"
|
|
#include "ompi/mca/mpool/mpool.h"
|
|
#include "rcache_vma.h"
|
|
/*
|
|
* Data structures for the tree of allocated memory
|
|
*/
|
|
|
|
struct mca_rcache_vma_reg_list_item_t
|
|
{
|
|
opal_list_item_t super;
|
|
mca_mpool_base_registration_t *reg;
|
|
};
|
|
typedef struct mca_rcache_vma_reg_list_item_t mca_rcache_vma_reg_list_item_t;
|
|
OBJ_CLASS_DECLARATION(mca_rcache_vma_reg_list_item_t);
|
|
|
|
/**
|
|
* The item in the vma_tree itself
|
|
*/
|
|
struct mca_rcache_vma_t
|
|
{
|
|
opal_list_item_t super; /**< the parent class */
|
|
uintptr_t start; /**< the base of the memory range */
|
|
uintptr_t end; /**< the bound of the memory range */
|
|
opal_list_t reg_list; /**< list of regs on this vma */
|
|
mca_rcache_vma_module_t *rcache; /**< pointer to rcache vma belongs to */
|
|
};
|
|
typedef struct mca_rcache_vma_t mca_rcache_vma_t;
|
|
|
|
OBJ_CLASS_DECLARATION(mca_rcache_vma_t);
|
|
|
|
|
|
/*
|
|
* initialize the vma tree
|
|
*/
|
|
int mca_rcache_vma_tree_init(mca_rcache_vma_module_t* rcache);
|
|
|
|
/**
|
|
* Returns the item in the vma tree
|
|
*/
|
|
mca_mpool_base_registration_t* mca_rcache_vma_tree_find(
|
|
mca_rcache_vma_module_t* rcache,
|
|
unsigned char* base,
|
|
unsigned char *bound
|
|
);
|
|
/**
|
|
* Returns all registration that overlaps given memory region
|
|
*/
|
|
int mca_rcache_vma_tree_find_all(
|
|
mca_rcache_vma_module_t *vma_rcache, unsigned char *base,
|
|
unsigned char *bound, mca_mpool_base_registration_t **regs,
|
|
int reg_cnt);
|
|
|
|
/*
|
|
* insert an item in the vma tree
|
|
*/
|
|
int mca_rcache_vma_tree_insert(mca_rcache_vma_module_t* rcache,
|
|
mca_mpool_base_registration_t* reg, size_t limit);
|
|
|
|
/*
|
|
* remove an item from the vma tree
|
|
*/
|
|
int mca_rcache_vma_tree_delete(
|
|
mca_rcache_vma_module_t* rcache,
|
|
mca_mpool_base_registration_t* reg
|
|
);
|
|
|
|
|
|
#endif /* MCA_RCACHE_VMA_TREE_H */
|
|
|