1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <cstdint>
17#include <functional>
18
19#ifndef UTILS_IO_EVENT_COMMON_H
20#define UTILS_IO_EVENT_COMMON_H
21
22namespace OHOS {
23namespace Utils {
24
25using EventId = uint32_t;
26
27using EPEventId = uint32_t;
28using REventId = EventId;
29
30using EventCallback = std::function<void()>;
31
32static constexpr int IO_EVENT_INVALID_FD = -1;
33
34
35namespace Events {
36    static constexpr EventId EVENT_NONE  = 0u;
37    static constexpr EventId EVENT_READ  = 1u;
38    static constexpr EventId EVENT_WRITE = 1u << 1;
39    static constexpr EventId EVENT_CLOSE = 1u << 2;
40    static constexpr EventId EVENT_ERROR = 1u << 3;
41    static constexpr EventId EVENT_INVALID = static_cast<uint32_t>(-1);
42}
43
44} // namespace Utils
45} // namespace OHOS
46#endif /* UTILS_IO_EVENT_COMMON_H */