1060ff233Sopenharmony_ci/*
2060ff233Sopenharmony_ci * Copyright (C) 2021 Huawei Device Co., Ltd.
3060ff233Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4060ff233Sopenharmony_ci * you may not use this file except in compliance with the License.
5060ff233Sopenharmony_ci * You may obtain a copy of the License at
6060ff233Sopenharmony_ci *
7060ff233Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8060ff233Sopenharmony_ci *
9060ff233Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10060ff233Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11060ff233Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12060ff233Sopenharmony_ci * See the License for the specific language governing permissions and
13060ff233Sopenharmony_ci * limitations under the License.
14060ff233Sopenharmony_ci */
15060ff233Sopenharmony_ci
16060ff233Sopenharmony_ci#ifndef NSTACKX_EPOLL_H
17060ff233Sopenharmony_ci#define NSTACKX_EPOLL_H
18060ff233Sopenharmony_ci
19060ff233Sopenharmony_ci#include "sys_epoll.h"
20060ff233Sopenharmony_ci
21060ff233Sopenharmony_ci#ifdef __cplusplus
22060ff233Sopenharmony_ciextern "C" {
23060ff233Sopenharmony_ci#endif
24060ff233Sopenharmony_ci
25060ff233Sopenharmony_ci#ifndef EPOLLIN
26060ff233Sopenharmony_ci#define EPOLLIN 0x00000001U
27060ff233Sopenharmony_ci#endif
28060ff233Sopenharmony_ci
29060ff233Sopenharmony_ci#ifndef EPOLLOUT
30060ff233Sopenharmony_ci#define EPOLLOUT 0x00000004U
31060ff233Sopenharmony_ci#endif
32060ff233Sopenharmony_ci
33060ff233Sopenharmony_ci#ifndef EPOLLERR
34060ff233Sopenharmony_ci#define EPOLLERR 0x00000008U
35060ff233Sopenharmony_ci#endif
36060ff233Sopenharmony_ci
37060ff233Sopenharmony_ci#ifndef EPOLLHUP
38060ff233Sopenharmony_ci#define EPOLLHUP 0x00000010U
39060ff233Sopenharmony_ci#endif
40060ff233Sopenharmony_ci
41060ff233Sopenharmony_citypedef void (*TaskHandle)(void *arg);
42060ff233Sopenharmony_ci
43060ff233Sopenharmony_citypedef struct {
44060ff233Sopenharmony_ci    EpollDesc epollfd;
45060ff233Sopenharmony_ci    TaskDesc taskfd;
46060ff233Sopenharmony_ci    TaskHandle readHandle;
47060ff233Sopenharmony_ci    TaskHandle writeHandle;
48060ff233Sopenharmony_ci    TaskHandle errorHandle;
49060ff233Sopenharmony_ci    void *ptr;
50060ff233Sopenharmony_ci    uint64_t count;
51060ff233Sopenharmony_ci} EpollTask;
52060ff233Sopenharmony_ci
53060ff233Sopenharmony_ciNSTACKX_EXPORT int32_t RegisterEpollTask(EpollTask *task, uint32_t events);
54060ff233Sopenharmony_ciNSTACKX_EXPORT int32_t DeRegisterEpollTask(EpollTask *task);
55060ff233Sopenharmony_ciNSTACKX_EXPORT int32_t RefreshEpollTask(EpollTask *task, uint32_t events);
56060ff233Sopenharmony_ciNSTACKX_EXPORT EpollDesc CreateEpollDesc(void);
57060ff233Sopenharmony_ciNSTACKX_EXPORT int32_t EpollLoop(EpollDesc epollfd, int32_t timeout);
58060ff233Sopenharmony_cistatic inline bool IsEpollDescValid(EpollDesc epollfd);
59060ff233Sopenharmony_cistatic inline bool IsEpollDescEqual(EpollDesc epollfd1, EpollDesc epollfd2);
60060ff233Sopenharmony_cistatic inline void CloseEpollDesc(EpollDesc epollfd);
61060ff233Sopenharmony_ci
62060ff233Sopenharmony_ci#ifdef __cplusplus
63060ff233Sopenharmony_ci}
64060ff233Sopenharmony_ci#endif
65060ff233Sopenharmony_ci
66060ff233Sopenharmony_ci#endif // NSTACKX_EPOLL_H
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