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Diffstat (limited to 'libappfuse/include/libappfuse')
-rw-r--r--libappfuse/include/libappfuse/EpollController.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/libappfuse/include/libappfuse/EpollController.h b/libappfuse/include/libappfuse/EpollController.h
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+++ b/libappfuse/include/libappfuse/EpollController.h
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1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specic language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_LIBAPPFUSE_EPOLLCONTROLLER_H_
18#define ANDROID_LIBAPPFUSE_EPOLLCONTROLLER_H_
19
20#include <sys/epoll.h>
21
22#include <vector>
23
24#include <android-base/macros.h>
25#include <android-base/unique_fd.h>
26
27namespace android {
28namespace fuse {
29
30class EpollController {
31 public:
32 explicit EpollController(base::unique_fd&& poll_fd);
33 bool Wait(size_t event_count);
34 bool AddFd(int fd, int events, void* data);
35 bool UpdateFd(int fd, int events, void* data);
36 bool RemoveFd(int fd);
37
38 const std::vector<epoll_event>& events() const;
39
40 private:
41 bool InvokeControl(int op, int fd, int events, void* data) const;
42 base::unique_fd poll_fd_;
43 std::vector<epoll_event> events_;
44
45 DISALLOW_COPY_AND_ASSIGN(EpollController);
46};
47}
48}
49
50#endif // ANDROID_LIBAPPFUSE_EPOLLCONTROLLER_H_