000f9eed4d
This commit updates the entire codebase to use specific opal types for all atomic variables. This is a change from the prior atomic support which required the use of the volatile keyword. This is the first step towards implementing support for C11 atomics as that interface requires the use of types declared with the _Atomic keyword. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
92 строки
3.0 KiB
C
92 строки
3.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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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) 2004-2013 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) 2006 Voltaire. All rights reserved.
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* Copyright (c) 2011-2018 Los Alamos National Security, LLC. All rights
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* 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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*/
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#ifndef MCA_MPOOL_HUGEPAGE_H
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#define MCA_MPOOL_HUGEPAGE_H
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#include "opal_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/class/opal_rb_tree.h"
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#include "opal/mca/event/event.h"
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#include "opal/mca/mpool/mpool.h"
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#include "opal/util/proc.h"
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#include "opal/mca/allocator/allocator.h"
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#include "opal/util/sys_limits.h"
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BEGIN_C_DECLS
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struct mca_mpool_hugepage_module_t;
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typedef struct mca_mpool_hugepage_module_t mca_mpool_hugepage_module_t;
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struct mca_mpool_hugepage_component_t {
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mca_mpool_base_component_t super;
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bool print_stats;
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opal_list_t huge_pages;
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mca_mpool_hugepage_module_t *modules;
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int module_count;
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opal_atomic_size_t bytes_allocated;
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};
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typedef struct mca_mpool_hugepage_component_t mca_mpool_hugepage_component_t;
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OPAL_DECLSPEC extern mca_mpool_hugepage_component_t mca_mpool_hugepage_component;
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struct mca_mpool_hugepage_module_t;
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struct mca_mpool_hugepage_hugepage_t {
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/** opal list item superclass */
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opal_list_item_t super;
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/** page size in bytes */
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unsigned long page_size;
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/** path for mmapped files */
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char *path;
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/** counter to help ensure unique file names for mmaped files */
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opal_atomic_int32_t count;
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/** some platforms allow allocation of hugepages through mmap flags */
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int mmap_flags;
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};
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typedef struct mca_mpool_hugepage_hugepage_t mca_mpool_hugepage_hugepage_t;
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OBJ_CLASS_DECLARATION(mca_mpool_hugepage_hugepage_t);
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struct mca_mpool_hugepage_module_t {
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mca_mpool_base_module_t super;
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mca_mpool_hugepage_hugepage_t *huge_page;
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mca_allocator_base_module_t *allocator;
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opal_mutex_t lock;
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opal_rb_tree_t allocation_tree;
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};
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/*
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* Initializes the mpool module.
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*/
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int mca_mpool_hugepage_module_init (mca_mpool_hugepage_module_t *mpool,
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mca_mpool_hugepage_hugepage_t *huge_page);
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void *mca_mpool_hugepage_seg_alloc (void *ctx, size_t *sizep);
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void mca_mpool_hugepage_seg_free (void *ctx, void *addr);
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END_C_DECLS
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#endif
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