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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // UdevLinux listens for device change notifications from udev and runs | 5 // UdevLinux listens for device change notifications from udev and runs |
6 // callbacks when notifications occur. | 6 // callbacks when notifications occur. |
7 // | 7 // |
8 // UdevLinux must be created on a MessageLoop of TYPE_IO. | 8 // UdevLinux must be created on a MessageLoop of TYPE_IO. |
9 // UdevLinux is not thread-safe. | 9 // UdevLinux is not thread-safe. |
10 // | 10 // |
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71 UdevLinux(const std::vector<UdevMonitorFilter>& filters, | 71 UdevLinux(const std::vector<UdevMonitorFilter>& filters, |
72 const UdevNotificationCallback& callback); | 72 const UdevNotificationCallback& callback); |
73 virtual ~UdevLinux(); | 73 virtual ~UdevLinux(); |
74 | 74 |
75 | 75 |
76 // Returns the udev handle to be passed into other udev_*() functions. | 76 // Returns the udev handle to be passed into other udev_*() functions. |
77 udev* udev_handle(); | 77 udev* udev_handle(); |
78 | 78 |
79 private: | 79 private: |
80 // base::MessagePump:Libevent::Watcher implementation. | 80 // base::MessagePump:Libevent::Watcher implementation. |
81 virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE; | 81 virtual void OnFileCanReadWithoutBlocking(int fd) override; |
82 virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE; | 82 virtual void OnFileCanWriteWithoutBlocking(int fd) override; |
83 | 83 |
84 // libudev-related items, the main context, and the monitoring context to be | 84 // libudev-related items, the main context, and the monitoring context to be |
85 // notified about changes to device states. | 85 // notified about changes to device states. |
86 udev* udev_; | 86 udev* udev_; |
87 udev_monitor* monitor_; | 87 udev_monitor* monitor_; |
88 int monitor_fd_; | 88 int monitor_fd_; |
89 base::MessagePumpLibevent::FileDescriptorWatcher monitor_watcher_; | 89 base::MessagePumpLibevent::FileDescriptorWatcher monitor_watcher_; |
90 UdevNotificationCallback callback_; | 90 UdevNotificationCallback callback_; |
91 | 91 |
92 DISALLOW_COPY_AND_ASSIGN(UdevLinux); | 92 DISALLOW_COPY_AND_ASSIGN(UdevLinux); |
93 }; | 93 }; |
94 | 94 |
95 } // namespace content | 95 } // namespace content |
96 | 96 |
97 #endif // CONTENT_BROWSER_UDEV_LINUX_H_ | 97 #endif // CONTENT_BROWSER_UDEV_LINUX_H_ |
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