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33a5cc29 KS |
1 | /* |
2 | * libudev - interface to udev device information | |
3 | * | |
4 | * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #ifndef _LIBUDEV_H_ | |
21 | #define _LIBUDEV_H_ | |
22 | ||
7d563a17 | 23 | #include <stdarg.h> |
4f06aaa9 | 24 | #include <sys/types.h> |
c4f5f942 | 25 | #include <sys/stat.h> |
7d563a17 | 26 | |
a689165b | 27 | /* this will stay as long as the DeviceKit integration of udev is work in progress */ |
e407720b | 28 | #if !defined _LIBUDEV_COMPILATION && !defined LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE |
a689165b KS |
29 | #error "#define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE is needed to use this experimental library version" |
30 | #endif | |
31 | ||
c8e32461 | 32 | /* library context */ |
0de33a61 | 33 | struct udev; |
33a5cc29 KS |
34 | extern struct udev *udev_new(void); |
35 | extern struct udev *udev_ref(struct udev *udev); | |
36 | extern void udev_unref(struct udev *udev); | |
37 | extern void udev_set_log_fn(struct udev *udev, | |
38 | void (*log_fn)(struct udev *udev, | |
39 | int priority, const char *file, int line, const char *fn, | |
40 | const char *format, va_list args)); | |
7d563a17 KS |
41 | extern int udev_get_log_priority(struct udev *udev); |
42 | extern void udev_set_log_priority(struct udev *udev, int priority); | |
33a5cc29 KS |
43 | extern const char *udev_get_sys_path(struct udev *udev); |
44 | extern const char *udev_get_dev_path(struct udev *udev); | |
c8e32461 KS |
45 | extern void *udev_get_userdata(struct udev *udev); |
46 | extern void udev_set_userdata(struct udev *udev, void *userdata); | |
47 | ||
bf7ad0ea | 48 | /* list iteration */ |
0de33a61 KS |
49 | struct udev_list_entry; |
50 | extern struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry); | |
bc8184ed | 51 | extern struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name); |
0de33a61 KS |
52 | extern const char *udev_list_entry_get_name(struct udev_list_entry *list_entry); |
53 | extern const char *udev_list_entry_get_value(struct udev_list_entry *list_entry); | |
54 | #define udev_list_entry_foreach(entry, first) \ | |
55 | for (entry = first; \ | |
56 | entry != NULL; \ | |
57 | entry = udev_list_entry_get_next(entry)) | |
bf7ad0ea | 58 | |
c8e32461 | 59 | /* sys devices */ |
0de33a61 | 60 | struct udev_device; |
8753fadf | 61 | extern struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath); |
4c9dff47 | 62 | extern struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum); |
90d80c2e | 63 | extern struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname); |
b2d9e4f2 | 64 | extern struct udev_device *udev_device_get_parent(struct udev_device *udev_device); |
98f10a9e | 65 | extern struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem); |
33a5cc29 KS |
66 | extern struct udev_device *udev_device_ref(struct udev_device *udev_device); |
67 | extern void udev_device_unref(struct udev_device *udev_device); | |
68 | extern struct udev *udev_device_get_udev(struct udev_device *udev_device); | |
69 | extern const char *udev_device_get_devpath(struct udev_device *udev_device); | |
33a5cc29 | 70 | extern const char *udev_device_get_subsystem(struct udev_device *udev_device); |
11d543c1 | 71 | extern const char *udev_device_get_syspath(struct udev_device *udev_device); |
4ad3a37f | 72 | extern const char *udev_device_get_sysname(struct udev_device *udev_device); |
517814e7 | 73 | extern const char *udev_device_get_sysnum(struct udev_device *udev_device); |
fb762bb9 | 74 | extern const char *udev_device_get_devnode(struct udev_device *udev_device); |
0de33a61 KS |
75 | extern struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device); |
76 | extern struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device); | |
c4f5f942 KS |
77 | extern const char *udev_device_get_driver(struct udev_device *udev_device); |
78 | extern dev_t udev_device_get_devnum(struct udev_device *udev_device); | |
79 | extern const char *udev_device_get_action(struct udev_device *udev_device); | |
37372bbc | 80 | extern unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device); |
69239210 | 81 | extern const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr); |
33a5cc29 | 82 | |
c8e32461 | 83 | /* udev and kernel device events */ |
0de33a61 | 84 | struct udev_monitor; |
ba6929f6 | 85 | extern struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path); |
1c7047ea | 86 | extern struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev); |
d59f11e1 | 87 | extern int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor); |
ba6929f6 KS |
88 | extern struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor); |
89 | extern void udev_monitor_unref(struct udev_monitor *udev_monitor); | |
90 | extern struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor); | |
91 | extern int udev_monitor_get_fd(struct udev_monitor *udev_monitor); | |
d59f11e1 | 92 | extern struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor); |
ba6929f6 | 93 | |
0de33a61 KS |
94 | /* sys enumeration */ |
95 | struct udev_enumerate; | |
438d4c3c | 96 | extern struct udev_enumerate *udev_enumerate_new(struct udev *udev); |
0de33a61 KS |
97 | extern struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate); |
98 | extern void udev_enumerate_unref(struct udev_enumerate *udev_enumerate); | |
64ccdf82 | 99 | extern struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate); |
c97f839e KS |
100 | extern int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem); |
101 | extern int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem); | |
69239210 KS |
102 | extern int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value); |
103 | extern int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value); | |
13ddea81 | 104 | extern int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath); |
c97f839e | 105 | extern int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate); |
438d4c3c | 106 | extern int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate); |
0de33a61 KS |
107 | extern struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate); |
108 | ||
64ccdf82 KS |
109 | /* event queue */ |
110 | struct udev_queue; | |
111 | extern struct udev_queue *udev_queue_new(struct udev *udev); | |
112 | extern struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue); | |
113 | extern void udev_queue_unref(struct udev_queue *udev_queue); | |
114 | extern struct udev *udev_queue_get_udev(struct udev_queue *udev_queue); | |
115 | extern unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue); | |
116 | extern unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue); | |
11d5eec2 | 117 | extern int udev_queue_get_udev_is_active(struct udev_queue *udev_queue); |
64ccdf82 KS |
118 | extern int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue); |
119 | extern int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum); | |
120 | extern struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue); | |
121 | extern struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue); | |
33a5cc29 | 122 | #endif |