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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_EVENTS_OZONE_EVDEV_SCOPED_UDEV_H_ | |
6 #define UI_EVENTS_OZONE_EVDEV_SCOPED_UDEV_H_ | |
7 | |
8 #include <libudev.h> | |
9 | |
10 #include "base/memory/scoped_ptr.h" | |
11 | |
12 // This file enables management of udev object references using scoped_ptr<> by | |
13 // associating a custom deleter that drops the reference rather than deleting. | |
14 | |
15 namespace ui { | |
16 | |
17 // Scoped struct udev. | |
18 struct UdevDeleter { | |
19 void operator()(struct udev* udev) { udev_unref(udev); } | |
20 }; | |
21 typedef scoped_ptr<struct udev, UdevDeleter> scoped_udev; | |
22 | |
23 // Scoped struct udev_device. | |
24 struct UdevDeviceDeleter { | |
25 void operator()(struct udev_device* udev_device) { | |
26 udev_device_unref(udev_device); | |
27 } | |
28 }; | |
29 typedef scoped_ptr<struct udev_device, UdevDeviceDeleter> scoped_udev_device; | |
30 | |
31 // Scoped struct udev_enumerate. | |
32 struct UdevEnumerateDeleter { | |
33 void operator()(struct udev_enumerate* udev_enumerate) { | |
34 udev_enumerate_unref(udev_enumerate); | |
35 } | |
36 }; | |
37 typedef scoped_ptr<struct udev_enumerate, UdevEnumerateDeleter> | |
38 scoped_udev_enumerate; | |
39 | |
40 // Scoped struct udev_monitor. | |
41 struct UdevMonitorDeleter { | |
42 void operator()(struct udev_monitor* udev_monitor) { | |
43 udev_monitor_unref(udev_monitor); | |
44 } | |
45 }; | |
46 typedef scoped_ptr<struct udev_monitor, UdevMonitorDeleter> scoped_udev_monitor; | |
47 | |
48 } // namespace ui | |
49 | |
50 #endif // UI_EVENTS_OZONE_EVDEV_SCOPED_UDEV_H_ | |
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