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Diffstat (limited to 'libappfuse/include/libappfuse')
-rw-r--r-- | libappfuse/include/libappfuse/EpollController.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libappfuse/include/libappfuse/EpollController.h b/libappfuse/include/libappfuse/EpollController.h new file mode 100644 index 000000000..3863abae7 --- /dev/null +++ b/libappfuse/include/libappfuse/EpollController.h | |||
@@ -0,0 +1,50 @@ | |||
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 | |||
27 | namespace android { | ||
28 | namespace fuse { | ||
29 | |||
30 | class 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_ | ||