libudev-device-internal.h revision f4ac4d1a82e2c468761fffa333323841ad886221
/***
This file is part of systemd.
Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
Copyright 2015 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#pragma once
#include "libudev.h"
#include "sd-device.h"
/**
* udev_device:
*
* Opaque object representing one kernel sys device.
*/
struct udev_device {
struct udev *udev;
/* real device object */
sd_device *device;
/* legacy */
int refcount;
struct udev_device *parent;
bool parent_set;
struct udev_list properties;
uint64_t properties_generation;
struct udev_list tags;
uint64_t tags_generation;
struct udev_list devlinks;
uint64_t devlinks_generation;
struct udev_list sysattrs;
bool sysattrs_read;
};
struct udev_device *udev_device_new(struct udev *udev);
#define assert_return_errno(expr, r, err) \
do { \
if (_unlikely_(!(expr))) { \
log_assert_failed_return(#expr, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
errno = err; \
return (r); \
} \
} while (false)