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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ | 5 #ifndef BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ |
6 #define BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ | 6 #define BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ |
7 | 7 |
8 #include <CoreServices/CoreServices.h> | 8 #include <CoreServices/CoreServices.h> |
| 9 #include <stddef.h> |
9 | 10 |
10 #include <vector> | 11 #include <vector> |
11 | 12 |
12 #include "base/files/file_path.h" | 13 #include "base/files/file_path.h" |
13 #include "base/files/file_path_watcher.h" | 14 #include "base/files/file_path_watcher.h" |
| 15 #include "base/macros.h" |
14 | 16 |
15 namespace base { | 17 namespace base { |
16 | 18 |
17 // Mac-specific file watcher implementation based on FSEvents. | 19 // Mac-specific file watcher implementation based on FSEvents. |
18 // There are trade-offs between the FSEvents implementation and a kqueue | 20 // There are trade-offs between the FSEvents implementation and a kqueue |
19 // implementation. The biggest issues are that FSEvents on 10.6 sometimes drops | 21 // implementation. The biggest issues are that FSEvents on 10.6 sometimes drops |
20 // events and kqueue does not trigger for modifications to a file in a watched | 22 // events and kqueue does not trigger for modifications to a file in a watched |
21 // directory. See file_path_watcher_mac.cc for the code that decides when to | 23 // directory. See file_path_watcher_mac.cc for the code that decides when to |
22 // use which one. | 24 // use which one. |
23 class FilePathWatcherFSEvents : public FilePathWatcher::PlatformDelegate { | 25 class FilePathWatcherFSEvents : public FilePathWatcher::PlatformDelegate { |
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85 // Backend stream we receive event callbacks from (strong reference). | 87 // Backend stream we receive event callbacks from (strong reference). |
86 // (Only accessed from the libdispatch thread.) | 88 // (Only accessed from the libdispatch thread.) |
87 FSEventStreamRef fsevent_stream_; | 89 FSEventStreamRef fsevent_stream_; |
88 | 90 |
89 DISALLOW_COPY_AND_ASSIGN(FilePathWatcherFSEvents); | 91 DISALLOW_COPY_AND_ASSIGN(FilePathWatcherFSEvents); |
90 }; | 92 }; |
91 | 93 |
92 } // namespace base | 94 } // namespace base |
93 | 95 |
94 #endif // BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ | 96 #endif // BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_ |
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