blob: 355f726762b2f053fe46f452f2e889ff5867d435 (
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
|
// Copyright (C) 2013 Vicente J. Botet Escriba
//
// 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)
//
// 2013/09 Vicente J. Botet Escriba
// Adapt to boost from CCIA C++11 implementation
// Make use of Boost.Move
#ifndef BOOST_THREAD_DETAIL_FUNCTION_WRAPPER_HPP
#define BOOST_THREAD_DETAIL_FUNCTION_WRAPPER_HPP
#include <boost/config.hpp>
#include <boost/thread/detail/memory.hpp>
#include <boost/thread/detail/move.hpp>
#include <boost/thread/csbl/memory/unique_ptr.hpp>
#include <memory>
#include <functional>
namespace boost
{
namespace detail
{
class function_wrapper
{
struct impl_base
{
virtual void call()=0;
virtual ~impl_base()
{
}
};
typedef boost::csbl::unique_ptr<impl_base> impl_base_type;
impl_base_type impl;
template <typename F>
struct impl_type: impl_base
{
F f;
impl_type(F const &f_)
: f(f_)
{}
impl_type(BOOST_THREAD_RV_REF(F) f_)
: f(boost::move(f_))
{}
void call()
{
if (impl) f();
}
};
public:
BOOST_THREAD_MOVABLE_ONLY(function_wrapper)
//#if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
template<typename F>
function_wrapper(F const& f):
impl(new impl_type<F>(f))
{}
//#endif
template<typename F>
function_wrapper(BOOST_THREAD_RV_REF(F) f):
impl(new impl_type<F>(boost::forward<F>(f)))
{}
function_wrapper(BOOST_THREAD_RV_REF(function_wrapper) other) BOOST_NOEXCEPT :
impl(other.impl)
{
other.impl = 0;
}
function_wrapper()
: impl(0)
{
}
~function_wrapper()
{
}
function_wrapper& operator=(BOOST_THREAD_RV_REF(function_wrapper) other) BOOST_NOEXCEPT
{
impl=other.impl;
other.impl=0;
return *this;
}
void operator()()
{ impl->call();}
};
}
}
#endif // header
|
