ucx
UAP Common Extensions
Loading...
Searching...
No Matches
mempool.h
Go to the documentation of this file.
1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
36#ifndef UCX_MEMPOOL_H
37#define UCX_MEMPOOL_H
38
39#include "common.h"
40#include "allocator.h"
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
47struct cx_mempool_memory_s;
48
56
62
64 struct cx_mempool_memory_s **data;
65
67 size_t size;
68
70 size_t capacity;
71};
72
76typedef struct cx_mempool_s CxMempool;
77
85
100
107#define cxMempoolCreateSimple(capacity) cxMempoolCreate(capacity, NULL)
108
121 void *memory,
123);
124
135void cxMempoolRemoveDestructor(void *memory);
136
154 CxMempool *pool,
155 void *memory,
157);
158
159#ifdef __cplusplus
160} // extern "C"
161#endif
162
163#endif // UCX_MEMPOOL_H
Interface for custom allocators.
void(* cx_destructor_func)(void *memory)
Function pointer type for destructor functions.
Definition allocator.h:116
Common definitions and feature checks.
#define cx_attr_export
Only used for building Windows DLLs.
Definition common.h:285
#define cx_attr_nonnull
All pointer arguments must be non-NULL.
Definition common.h:136
#define cx_attr_nodiscard
Warn about discarded return value.
Definition common.h:265
#define cx_attr_malloc
The attributed function always returns freshly allocated memory.
Definition common.h:151
#define cx_attr_dealloc(...)
Not supported in clang.
Definition common.h:167
void cxMempoolFree(CxMempool *pool)
Deallocates a memory pool and frees the managed memory.
CxMempool * cxMempoolCreate(size_t capacity, cx_destructor_func destr)
Creates an array-based memory pool with a shared destructor function.
void cxMempoolRemoveDestructor(void *memory)
Removes the destructor function for a specific allocated memory object.
int cxMempoolRegister(CxMempool *pool, void *memory, cx_destructor_func destr)
Registers foreign memory with this pool.
void cxMempoolSetDestructor(void *memory, cx_destructor_func fnc)
Sets the destructor function for a specific allocated memory object.
Structure holding the data for an allocator.
Definition allocator.h:84
The basic structure of a memory pool.
Definition mempool.h:53
size_t capacity
Memory pool capacity.
Definition mempool.h:70
const CxAllocator * allocator
The provided allocator.
Definition mempool.h:55
struct cx_mempool_memory_s ** data
Array of pooled memory.
Definition mempool.h:64
cx_destructor_func auto_destr
A destructor that shall be automatically registered for newly allocated memory.
Definition mempool.h:61
size_t size
Number of pooled memory items.
Definition mempool.h:67