1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
#pragma once
/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if defined(__linux__)
#include "sysdeps.h"
#include <sys/epoll.h>
#include <deque>
#include <list>
#include <mutex>
#include <unordered_map>
#include <android-base/thread_annotations.h>
#include "adb_unique_fd.h"
#include "fdevent.h"
struct fdevent_context_epoll final : public fdevent_context {
fdevent_context_epoll();
virtual ~fdevent_context_epoll();
virtual void Register(fdevent* fde) final;
virtual void Unregister(fdevent* fde) final;
virtual void Set(fdevent* fde, unsigned events) final;
virtual void Loop() final;
size_t InstalledCount() final;
protected:
virtual void Interrupt() final;
public:
// All operations to fdevent should happen only in the main thread.
// That's why we don't need a lock for fdevent.
std::unordered_map<int, fdevent*> epoll_node_map_;
std::list<fdevent*> pending_list_;
unique_fd epoll_fd_;
unique_fd interrupt_fd_;
fdevent* interrupt_fde_ = nullptr;
};
#endif // defined(__linux__)
|
