1/////////////////////////////////////////////////////////////////////////////
2//
3// (C) Copyright Ion Gaztanaga 2014-2014
4//
5// Distributed under the Boost Software License, Version 1.0.
6// (See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8//
9// See http://www.boost.org/libs/intrusive for documentation.
10//
11/////////////////////////////////////////////////////////////////////////////
12
13#ifndef BOOST_INTRUSIVE_DETAIL_EXCEPTION_DISPOSER_HPP
14#define BOOST_INTRUSIVE_DETAIL_EXCEPTION_DISPOSER_HPP
15
16#ifndef BOOST_CONFIG_HPP
17# include <boost/config.hpp>
18#endif
19
20#if defined(BOOST_HAS_PRAGMA_ONCE)
21# pragma once
22#endif
23
24#include <boost/intrusive/detail/workaround.hpp>
25
26namespace boost {
27namespace intrusive {
28namespace detail {
29
30template<class Container, class Disposer>
31class exception_disposer
32{
33 Container *cont_;
34 Disposer &disp_;
35
36 exception_disposer(const exception_disposer&);
37 exception_disposer &operator=(const exception_disposer&);
38
39 public:
40 exception_disposer(Container &cont, Disposer &disp)
41 : cont_(&cont), disp_(disp)
42 {}
43
44 BOOST_INTRUSIVE_FORCEINLINE void release()
45 { cont_ = 0; }
46
47 ~exception_disposer()
48 {
49 if(cont_){
50 cont_->clear_and_dispose(disp_);
51 }
52 }
53};
54
55template<class Container, class Disposer, class SizeType>
56class exception_array_disposer
57{
58 Container *cont_;
59 Disposer &disp_;
60 SizeType &constructed_;
61
62 exception_array_disposer(const exception_array_disposer&);
63 exception_array_disposer &operator=(const exception_array_disposer&);
64
65 public:
66
67 exception_array_disposer
68 (Container &cont, Disposer &disp, SizeType &constructed)
69 : cont_(&cont), disp_(disp), constructed_(constructed)
70 {}
71
72 BOOST_INTRUSIVE_FORCEINLINE void release()
73 { cont_ = 0; }
74
75 ~exception_array_disposer()
76 {
77 SizeType n = constructed_;
78 if(cont_){
79 while(n--){
80 cont_[n].clear_and_dispose(disp_);
81 }
82 }
83 }
84};
85
86} //namespace detail{
87} //namespace intrusive{
88} //namespace boost{
89
90#endif //BOOST_INTRUSIVE_DETAIL_EXCEPTION_DISPOSER_HPP
91