blob: 72e9c8d2789a0ed7fa87e6103a9100f8f1d91859 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2013. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP
#define BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
#include <boost/container/throw_exception.hpp>
#include <boost/intrusive/slist.hpp>
#include <boost/container/detail/pool_common.hpp>
#include <boost/container/detail/alloc_lib.h>
#include <cstddef>
namespace boost{
namespace container{
namespace container_detail{
struct node_slist_helper
: public boost::container::container_detail::node_slist<void*>
{};
struct fake_segment_manager
{
typedef void * void_pointer;
static const std::size_t PayloadPerAllocation = BOOST_CONTAINER_ALLOCATION_PAYLOAD;
typedef boost::container::container_detail::
basic_multiallocation_chain<void*> multiallocation_chain;
static void deallocate(void_pointer p)
{ boost_cont_free(p); }
static void deallocate_many(multiallocation_chain &chain)
{
std::size_t size = chain.size();
std::pair<void*, void*> ptrs = chain.extract_data();
boost_cont_memchain dlchain;
BOOST_CONTAINER_MEMCHAIN_INIT_FROM(&dlchain, ptrs.first, ptrs.second, size);
boost_cont_multidealloc(&dlchain);
}
typedef std::ptrdiff_t difference_type;
typedef std::size_t size_type;
static void *allocate_aligned(std::size_t nbytes, std::size_t alignment)
{
void *ret = boost_cont_memalign(nbytes, alignment);
if(!ret)
boost::container::throw_bad_alloc();
return ret;
}
static void *allocate(std::size_t nbytes)
{
void *ret = boost_cont_malloc(nbytes);
if(!ret)
boost::container::throw_bad_alloc();
return ret;
}
};
} //namespace boost{
} //namespace container{
} //namespace container_detail{
namespace boost {
namespace container {
namespace container_detail {
template<class T>
struct is_stateless_segment_manager;
template<>
struct is_stateless_segment_manager
<boost::container::container_detail::fake_segment_manager>
{
static const bool value = true;
};
} //namespace container_detail {
} //namespace container {
} //namespace boost {
#include <boost/container/detail/config_end.hpp>
#endif //BOOST_CONTAINER_DETAIL_POOL_COMMON_ALLOC_HPP
|
