Seastar
High performance C++ framework for concurrent servers
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Modules Pages
abort_on_expiry.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 * Copyright (C) 2022 ScyllaDB.
20 */
21
22#pragma once
23
24#include <seastar/core/abort_source.hh>
25#include <seastar/core/timer.hh>
26#include <seastar/core/lowres_clock.hh>
27#include <seastar/util/modules.hh>
28
29namespace seastar {
30
33
36SEASTAR_MODULE_EXPORT
37template<typename Clock = lowres_clock>
39 timer<Clock> _tr;
41public:
42 using clock = Clock;
43 using time_point = typename Clock::time_point;
47 abort_on_expiry(time_point timeout) : _tr([this] {
48 _as.request_abort();
49 }) {
50 _tr.arm(timeout);
51 }
53
56 return _as;
57 }
58};
59
61
62}
Definition: abort_on_expiry.hh:38
seastar::abort_source & abort_source()
Definition: abort_on_expiry.hh:55
abort_on_expiry(time_point timeout)
Definition: abort_on_expiry.hh:47
Definition: abort_source.hh:58
void request_abort() noexcept
Definition: abort_source.hh:180
void arm(time_point until, std::optional< duration > period={}) noexcept
Seastar API namespace.
Definition: abort_on_ebadf.hh:26