include/boost/corosio/native/detail/reactor/reactor_op_base.hpp
100.0% Lines (7 / 7)
100.0% Functions (2 / 2)
Functions (2)
| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2026 Steve Gerbino | ||
| 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_NATIVE_DETAIL_REACTOR_REACTOR_OP_BASE_HPP | ||
| 11 | #define BOOST_COROSIO_NATIVE_DETAIL_REACTOR_REACTOR_OP_BASE_HPP | ||
| 12 | |||
| 13 | #include <boost/corosio/native/detail/coro_op.hpp> | ||
| 14 | |||
| 15 | #include <cstddef> | ||
| 16 | |||
| 17 | namespace boost::corosio::detail { | ||
| 18 | |||
| 19 | /** Non-template base for reactor operations. | ||
| 20 | |||
| 21 | Adds the reactor-specific result model (the recorded errno + bytes and | ||
| 22 | the perform_io() readiness re-run) on top of coro_op, the shared op | ||
| 23 | envelope (coroutine handle, executor, output pointers, stop_token wiring, | ||
| 24 | cancelled flag, object_ref_ keepalive) common to every backend. | ||
| 25 | |||
| 26 | Kept as a non-template layer so reactor_descriptor_state and the | ||
| 27 | scheduler hot paths can touch op state without knowing the concrete | ||
| 28 | socket/acceptor types. | ||
| 29 | |||
| 30 | @see coro_op, reactor_op | ||
| 31 | */ | ||
| 32 | struct reactor_op_base : coro_op | ||
| 33 | { | ||
| 34 | /// Errno from the last I/O attempt. | ||
| 35 | int errn = 0; | ||
| 36 | |||
| 37 | /// Bytes transferred on success. | ||
| 38 | std::size_t bytes_transferred = 0; | ||
| 39 | |||
| 40 | // cancelled, object_ref_, and request_cancel() are inherited from coro_op. | ||
| 41 | |||
| 42 | /// Record the result of an I/O attempt. | ||
| 43 | 110924x | void complete(int err, std::size_t bytes) noexcept | |
| 44 | { | ||
| 45 | 110924x | errn = err; | |
| 46 | 110924x | bytes_transferred = bytes; | |
| 47 | 110924x | } | |
| 48 | |||
| 49 | /// Perform the I/O syscall (implemented by concrete op types). | ||
| 50 | virtual void perform_io() noexcept = 0; | ||
| 51 | |||
| 52 | /// Destroy without invoking: the drained op abandons the coroutine | ||
| 53 | /// it holds. | ||
| 54 | 1290x | void destroy() override | |
| 55 | { | ||
| 56 | 1290x | destroy_awaiting(); | |
| 57 | 1290x | } | |
| 58 | }; | ||
| 59 | |||
| 60 | } // namespace boost::corosio::detail | ||
| 61 | |||
| 62 | #endif // BOOST_COROSIO_NATIVE_DETAIL_REACTOR_REACTOR_OP_BASE_HPP | ||
| 63 |