2 * libudev - interface to udev device information
4 * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 /* this will stay as long as the DeviceKit integration of udev is work in progress */
27 #if !defined _LIBUDEV_COMPILATION && !defined LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
28 #error "#define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE is needed to use this experimental library version"
33 extern struct udev *udev_new(void);
34 extern struct udev *udev_ref(struct udev *udev);
35 extern void udev_unref(struct udev *udev);
36 extern void udev_set_log_fn(struct udev *udev,
37 void (*log_fn)(struct udev *udev,
38 int priority, const char *file, int line, const char *fn,
39 const char *format, va_list args));
40 extern int udev_get_log_priority(struct udev *udev);
41 extern void udev_set_log_priority(struct udev *udev, int priority);
42 extern const char *udev_get_sys_path(struct udev *udev);
43 extern const char *udev_get_dev_path(struct udev *udev);
44 extern void *udev_get_userdata(struct udev *udev);
45 extern void udev_set_userdata(struct udev *udev, void *userdata);
48 struct udev_list_entry;
49 extern struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
50 extern struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
51 extern const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
52 extern const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
53 #define udev_list_entry_foreach(entry, first) \
56 entry = udev_list_entry_get_next(entry))
60 extern struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
61 extern struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
62 extern struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
63 extern struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
64 extern struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem);
65 extern struct udev_device *udev_device_ref(struct udev_device *udev_device);
66 extern void udev_device_unref(struct udev_device *udev_device);
67 extern struct udev *udev_device_get_udev(struct udev_device *udev_device);
68 extern const char *udev_device_get_devpath(struct udev_device *udev_device);
69 extern const char *udev_device_get_subsystem(struct udev_device *udev_device);
70 extern const char *udev_device_get_syspath(struct udev_device *udev_device);
71 extern const char *udev_device_get_sysname(struct udev_device *udev_device);
72 extern const char *udev_device_get_sysnum(struct udev_device *udev_device);
73 extern const char *udev_device_get_devnode(struct udev_device *udev_device);
74 extern struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
75 extern struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
76 extern const char *udev_device_get_driver(struct udev_device *udev_device);
77 extern dev_t udev_device_get_devnum(struct udev_device *udev_device);
78 extern const char *udev_device_get_action(struct udev_device *udev_device);
79 extern unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
80 extern const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
82 /* udev and kernel device events */
84 extern struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path);
85 extern struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev);
86 extern int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
87 extern struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
88 extern void udev_monitor_unref(struct udev_monitor *udev_monitor);
89 extern struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
90 extern int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
91 extern struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
94 struct udev_enumerate;
95 extern struct udev_enumerate *udev_enumerate_new(struct udev *udev);
96 extern struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
97 extern void udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
98 extern struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
99 extern int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
100 extern int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
101 extern int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
102 extern int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
103 extern int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
104 extern int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
105 extern int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
106 extern struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);
110 extern struct udev_queue *udev_queue_new(struct udev *udev);
111 extern struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue);
112 extern void udev_queue_unref(struct udev_queue *udev_queue);
113 extern struct udev *udev_queue_get_udev(struct udev_queue *udev_queue);
114 extern unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue);
115 extern unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue);
116 extern int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
117 extern int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum);
118 extern struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue);
119 extern struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);