block_allocator.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28
29
30
31 #pragma once
32
33 #include "system.h"
34 #include <memory>
35
36 namespace clan
37 {
40
41 class BlockAllocator_Impl;
42
53 class BlockAllocator
54 {
57
58 public:
60 BlockAllocator();
61
62
66
67 public:
68
69
73
74 public:
76
79 void *allocate(int size);
80
82
83 void free();
84
88
89 private:
90 std::shared_ptr<BlockAllocator_Impl> impl;
92 };
93
105 class BlockAllocated
106 {
109
110 public:
111 void *operator new(size_t size, BlockAllocator *allocator);
112
113 void operator delete(void *data, size_t size);
114
115 void operator delete(void *data, BlockAllocator *allocator);
117 };
118
119 }
120
clan
Definition: clanapp.h:35
clan::BlockAllocator::allocate
void * allocate(int size)
Allocate memory (See note on this class for the allocation method)
clan::BlockAllocated
Class with operator new/delete overloads for BlockAllocator.
Definition: block_allocator.h:105
clan::BlockAllocator
Memory allocator that allocates in blocks.
Definition: block_allocator.h:53
clan::BlockAllocator::BlockAllocator
BlockAllocator()
Block Allocator constructor.
clan::BlockAllocator::free
void free()
Free the allocated memory.