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include/boost/corosio/detail/win_handle_service.hpp

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win_handle_service.hpp
f(x) Functions (6)
Function Calls Lines Branches Blocks
boost::corosio::detail::stream_handle_service::stream_handle_service() :54 34x 100.0% – 100.0% boost::corosio::detail::stream_handle_service::~stream_handle_service() :55 34x 100.0% – 100.0% boost::corosio::detail::random_access_handle_service::random_access_handle_service() :81 25x 100.0% – 100.0% boost::corosio::detail::random_access_handle_service::~random_access_handle_service() :82 25x 100.0% – 100.0% boost::corosio::detail::object_handle_service::object_handle_service() :107 2826x 100.0% – 100.0% boost::corosio::detail::object_handle_service::~object_handle_service() :108 2826x 100.0% – 100.0%
Line Branch TLA Hits Source Code
1 //
2 // Copyright (c) 2026 Michael Vandeberg
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // Official repository: https://github.com/cppalliance/corosio
8 //
9
10 #ifndef BOOST_COROSIO_DETAIL_WIN_HANDLE_SERVICE_HPP
11 #define BOOST_COROSIO_DETAIL_WIN_HANDLE_SERVICE_HPP
12
13 #include <boost/corosio/detail/config.hpp>
14 #include <boost/corosio/detail/platform.hpp>
15
16 #if BOOST_COROSIO_HAS_IOCP
17
18 #include <boost/corosio/win_object_handle.hpp>
19 #include <boost/corosio/win_random_access_handle.hpp>
20 #include <boost/corosio/win_stream_handle.hpp>
21 #include <boost/capy/ex/execution_context.hpp>
22
23 #include <system_error>
24
25 namespace boost::corosio::detail {
26
27 /* Abstract handle service bases. The IOCP backend installs the
28 concrete services on first use; the public .cpp files retrieve them
29 through use_backend_service under these keys.
30 */
31
32 /// Abstract service behind @ref win_stream_handle.
33 class BOOST_COROSIO_DECL stream_handle_service
34 : public capy::execution_context::service
35 , public io_object::io_service
36 {
37 public:
38 /// Identifies this service for execution_context lookup.
39 using key_type = stream_handle_service;
40
41 /** Adopt an existing handle.
42
43 The implementation is closed. On failure it stays closed and
44 the caller retains ownership of @a h.
45
46 @param impl The implementation to assign to.
47 @param h The native handle to adopt.
48 @return Error code on failure, empty on success.
49 */
50 virtual std::error_code assign_stream_handle(
51 win_stream_handle::implementation& impl, native_handle_type h) = 0;
52
53 protected:
54 34x stream_handle_service() = default;
55 34x ~stream_handle_service() override = default;
56 };
57
58 /// Abstract service behind @ref win_random_access_handle.
59 class BOOST_COROSIO_DECL random_access_handle_service
60 : public capy::execution_context::service
61 , public io_object::io_service
62 {
63 public:
64 /// Identifies this service for execution_context lookup.
65 using key_type = random_access_handle_service;
66
67 /** Adopt an existing handle.
68
69 The implementation is closed. On failure it stays closed and
70 the caller retains ownership of @a h.
71
72 @param impl The implementation to assign to.
73 @param h The native handle to adopt.
74 @return Error code on failure, empty on success.
75 */
76 virtual std::error_code assign_random_access_handle(
77 win_random_access_handle::implementation& impl,
78 native_handle_type h) = 0;
79
80 protected:
81 25x random_access_handle_service() = default;
82 25x ~random_access_handle_service() override = default;
83 };
84
85 /// Abstract service behind @ref win_object_handle.
86 class BOOST_COROSIO_DECL object_handle_service
87 : public capy::execution_context::service
88 , public io_object::io_service
89 {
90 public:
91 /// Identifies this service for execution_context lookup.
92 using key_type = object_handle_service;
93
94 /** Adopt an existing waitable handle.
95
96 The implementation is closed. On failure it stays closed and
97 the caller retains ownership of @a h.
98
99 @param impl The implementation to assign to.
100 @param h The native handle to adopt.
101 @return Error code on failure, empty on success.
102 */
103 virtual std::error_code assign_object_handle(
104 win_object_handle::implementation& impl, native_handle_type h) = 0;
105
106 protected:
107 2826x object_handle_service() = default;
108 2826x ~object_handle_service() override = default;
109 };
110
111 } // namespace boost::corosio::detail
112
113 #endif // BOOST_COROSIO_HAS_IOCP
114
115 #endif
116