1#ifndef BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED
2#define BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED
3
4// MS compatible compilers support #pragma once
5
6#if defined(_MSC_VER) && (_MSC_VER >= 1020)
7# pragma once
8#endif
9
10// detail/local_sp_deleter.hpp
11//
12// Copyright 2017 Peter Dimov
13//
14// Distributed under the Boost Software License, Version 1.0. (See
15// accompanying file LICENSE_1_0.txt or copy at
16// http://www.boost.org/LICENSE_1_0.txt)
17//
18// See http://www.boost.org/libs/smart_ptr/ for documentation.
19
20#include <boost/smart_ptr/detail/local_counted_base.hpp>
21#include <boost/config.hpp>
22
23namespace boost
24{
25
26namespace detail
27{
28
29template<class D> class local_sp_deleter: public local_counted_impl_em
30{
31private:
32
33 D d_;
34
35public:
36
37 local_sp_deleter(): d_()
38 {
39 }
40
41 explicit local_sp_deleter( D const& d ) BOOST_SP_NOEXCEPT: d_( d )
42 {
43 }
44
45#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
46
47 explicit local_sp_deleter( D&& d ) BOOST_SP_NOEXCEPT: d_( std::move(d) )
48 {
49 }
50
51#endif
52
53 D& deleter() BOOST_SP_NOEXCEPT
54 {
55 return d_;
56 }
57
58 template<class Y> void operator()( Y* p ) BOOST_SP_NOEXCEPT
59 {
60 d_( p );
61 }
62
63#if !defined( BOOST_NO_CXX11_NULLPTR )
64
65 void operator()( boost::detail::sp_nullptr_t p ) BOOST_SP_NOEXCEPT
66 {
67 d_( p );
68 }
69
70#endif
71};
72
73template<> class local_sp_deleter<void>
74{
75};
76
77template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) BOOST_SP_NOEXCEPT
78{
79 return &p->deleter();
80}
81
82inline void * get_local_deleter( local_sp_deleter<void> * /*p*/ ) BOOST_SP_NOEXCEPT
83{
84 return 0;
85}
86
87} // namespace detail
88
89} // namespace boost
90
91#endif // #ifndef BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED
92

source code of include/boost/smart_ptr/detail/local_sp_deleter.hpp