device/udev_linux/scoped_udev.h

   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 DEVICE_UDEV_LINUX_SCOPED_UDEV_H_
   6 #define DEVICE_UDEV_LINUX_SCOPED_UDEV_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "device/udev_linux/udev.h"
  10
  11 #if !defined(USE_UDEV)
  12 #error "USE_UDEV not defined"
  13 #endif
  14
  15 namespace device {
  16
  17 struct UdevDeleter {
  18   void operator()(udev* dev) const {
  19     udev_unref(dev);
  20   }
  21 };
  22 struct UdevEnumerateDeleter {
  23   void operator()(udev_enumerate* enumerate) const {
  24     udev_enumerate_unref(enumerate);
  25   }
  26 };
  27 struct UdevDeviceDeleter {
  28   void operator()(udev_device* device) const {
  29     udev_device_unref(device);
  30   }
  31 };
  32 struct UdevMonitorDeleter {
  33   void operator()(udev_monitor* monitor) const {
  34     udev_monitor_unref(monitor);
  35   }
  36 };
  37
  38 typedef scoped_ptr<udev, UdevDeleter> ScopedUdevPtr;
  39 typedef scoped_ptr<udev_enumerate, UdevEnumerateDeleter> ScopedUdevEnumeratePtr;
  40 typedef scoped_ptr<udev_device, UdevDeviceDeleter> ScopedUdevDevicePtr;
  41 typedef scoped_ptr<udev_monitor, UdevMonitorDeleter> ScopedUdevMonitorPtr;
  42
  43 }  // namespace device
  44
  45 #endif  // DEVICE_UDEV_LINUX_SCOPED_UDEV_H_