1
2// Copyright Oliver Kowalke 2014.
3// Distributed under the Boost Software License, Version 1.0.
4// (See accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6
7#ifndef BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP
8#define BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP
9
10#include <exception>
11
12#include <boost/config.hpp>
13#include <boost/context/fiber.hpp>
14
15#include <boost/coroutine2/detail/state.hpp>
16
17#ifdef BOOST_HAS_ABI_HEADERS
18# include BOOST_ABI_PREFIX
19#endif
20
21namespace boost {
22namespace coroutines2 {
23namespace detail {
24
25template< typename T >
26struct push_coroutine< T >::control_block {
27 boost::context::fiber c;
28 typename pull_coroutine< T >::control_block * other;
29 state_t state;
30 std::exception_ptr except;
31
32 static void destroy( control_block * cb) noexcept;
33
34 template< typename StackAllocator, typename Fn >
35 control_block( context::preallocated, StackAllocator &&, Fn &&);
36
37 control_block( typename pull_coroutine< T >::control_block *, boost::context::fiber &) noexcept;
38
39 control_block( control_block &) = delete;
40 control_block & operator=( control_block &) = delete;
41
42 void deallocate() noexcept;
43
44 void resume( T const&);
45
46 void resume( T &&);
47
48 bool valid() const noexcept;
49};
50
51template< typename T >
52struct push_coroutine< T & >::control_block {
53 boost::context::fiber c;
54 typename pull_coroutine< T & >::control_block * other;
55 state_t state;
56 std::exception_ptr except;
57
58 static void destroy( control_block * cb) noexcept;
59
60 template< typename StackAllocator, typename Fn >
61 control_block( context::preallocated, StackAllocator &&, Fn &&);
62
63 control_block( typename pull_coroutine< T & >::control_block *, boost::context::fiber &) noexcept;
64
65 control_block( control_block &) = delete;
66 control_block & operator=( control_block &) = delete;
67
68 void deallocate() noexcept;
69
70 void resume( T &);
71
72 bool valid() const noexcept;
73};
74
75struct push_coroutine< void >::control_block {
76 boost::context::fiber c;
77 pull_coroutine< void >::control_block * other;
78 state_t state;
79 std::exception_ptr except;
80
81 static void destroy( control_block * cb) noexcept;
82
83 template< typename StackAllocator, typename Fn >
84 control_block( context::preallocated, StackAllocator &&, Fn &&);
85
86 control_block( pull_coroutine< void >::control_block *, boost::context::fiber &) noexcept;
87
88 control_block( control_block &) = delete;
89 control_block & operator=( control_block &) = delete;
90
91 void deallocate() noexcept;
92
93 void resume();
94
95 bool valid() const noexcept;
96};
97
98}}}
99
100#ifdef BOOST_HAS_ABI_HEADERS
101# include BOOST_ABI_SUFFIX
102#endif
103
104#endif // BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP
105

source code of boost/libs/coroutine2/include/boost/coroutine2/detail/push_control_block_cc.hpp