D-Bus 1.16.0

dbus-mempool.h
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* dbus-mempool.h Memory pools
3 *
4 * Copyright (C) 2002 Red Hat, Inc.
5 *
6 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *
24 */
25
26#ifndef DBUS_MEMPOOL_H
27#define DBUS_MEMPOOL_H
28
29#include <dbus/dbus-internals.h>
30#include <dbus/dbus-memory.h>
31#include <dbus/dbus-types.h>
32
33 DBUS_BEGIN_DECLS
34
35 typedef struct DBusMemPool DBusMemPool;
36
37DBUS_PRIVATE_EXPORT
38 DBusMemPool* _dbus_mem_pool_new (int element_size,
39 dbus_bool_t zero_elements);
40DBUS_PRIVATE_EXPORT
41 void _dbus_mem_pool_free (DBusMemPool *pool);
42DBUS_PRIVATE_EXPORT
43 void* _dbus_mem_pool_alloc (DBusMemPool *pool);
44DBUS_PRIVATE_EXPORT
45 dbus_bool_t _dbus_mem_pool_dealloc (DBusMemPool *pool,
46 void *element);
47
48/* if DBUS_ENABLE_STATS */
49 void _dbus_mem_pool_get_stats (DBusMemPool *pool,
50 dbus_uint32_t *in_use_p,
51 dbus_uint32_t *in_free_list_p,
52 dbus_uint32_t *allocated_p);
53
54 DBUS_END_DECLS
55
56#endif /* DBUS_MEMPOOL_H */
DBUS_BEGIN_DECLS
#define DBUS_BEGIN_DECLS
Macro used prior to declaring functions in the D-Bus header files.
Definition dbus-macros.h:36
DBUS_END_DECLS
#define DBUS_END_DECLS
Macro used after declaring functions in the D-Bus header files.
Definition dbus-macros.h:37
_dbus_mem_pool_alloc
DBUS_PRIVATE_EXPORT void * _dbus_mem_pool_alloc(DBusMemPool *pool)
Allocates an object from the memory pool.
Definition dbus-mempool.c:227
_dbus_mem_pool_dealloc
DBUS_PRIVATE_EXPORT dbus_bool_t _dbus_mem_pool_dealloc(DBusMemPool *pool, void *element)
Deallocates an object previously created with _dbus_mem_pool_alloc().
Definition dbus-mempool.c:366
_dbus_mem_pool_free
DBUS_PRIVATE_EXPORT void _dbus_mem_pool_free(DBusMemPool *pool)
Frees a memory pool (and all elements allocated from it).
Definition dbus-mempool.c:200
_dbus_mem_pool_new
DBUS_PRIVATE_EXPORT DBusMemPool * _dbus_mem_pool_new(int element_size, dbus_bool_t zero_elements)
Creates a new memory pool, or returns NULL on failure.
Definition dbus-mempool.c:148
dbus_uint32_t
unsigned int dbus_uint32_t
A 32-bit unsigned integer on all platforms.
Definition dbus-arch-deps.h:45
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition dbus-types.h:37
DBusMemPool
Internals fields of DBusMemPool.
Definition dbus-mempool.c:109
DBusMemPool::zero_elements
unsigned int zero_elements
whether to zero-init allocated elements
Definition dbus-mempool.c:112
DBusMemPool::element_size
size_t element_size
size of a single object in the pool
Definition dbus-mempool.c:110