Seastar
High performance C++ framework for concurrent servers
timed_out_error.hh
1/*
2 * This file is open source software, licensed to you under the terms
3 * of the Apache License, Version 2.0 (the "License"). See the NOTICE file
4 * distributed with this work for additional information regarding copyright
5 * ownership. You may not use this file except in compliance with the License.
6 *
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing,
12 * software distributed under the License is distributed on an
13 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 * KIND, either express or implied. See the License for the
15 * specific language governing permissions and limitations
16 * under the License.
17 */
18
19/*
20 * Copyright 2020 ScyllaDB
21 */
22
23#pragma once
24
25#ifndef SEASTAR_MODULE
26#include <fmt/core.h>
27#include <exception>
28#include <seastar/util/modules.hh>
29#endif
30
31namespace seastar {
32
33SEASTAR_MODULE_EXPORT
34class timed_out_error : public std::exception {
35public:
36 virtual const char* what() const noexcept {
37 return "timedout";
38 }
39};
40
41SEASTAR_MODULE_EXPORT
43 static auto timeout() {
44 return timed_out_error();
45 }
46};
47
48} // namespace seastar
49
50#if FMT_VERSION < 100000
51// fmt v10 introduced formatter for std::exception
52template <>
53struct fmt::formatter<seastar::timed_out_error> : fmt::formatter<string_view> {
54 auto format(const seastar::timed_out_error& e, fmt::format_context& ctx) const {
55 return fmt::format_to(ctx.out(), "{}", e.what());
56 }
57};
58#endif
Definition: timed_out_error.hh:34
Seastar API namespace.
Definition: abort_on_ebadf.hh:26
Definition: timed_out_error.hh:42