]>
git.ipfire.org Git - thirdparty/systemd.git/blob - udev/lib/libudev-private.h
2 * libudev - interface to udev device information
4 * Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
12 #ifndef _LIBUDEV_PRIVATE_H_
13 #define _LIBUDEV_PRIVATE_H_
18 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
20 static inline void __attribute__ ((format(printf
, 2, 3)))
21 udev_log_null(struct udev
*udev
, const char *format
, ...) {}
25 # define dbg(udev, arg...) udev_log(udev, LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, ## arg)
27 # define dbg(udev, arg...) udev_log_null(udev, ## arg)
29 # define info(udev, arg...) udev_log(udev, LOG_INFO, __FILE__, __LINE__, __FUNCTION__, ## arg)
30 # define err(udev, arg...) udev_log(udev, LOG_ERR, __FILE__, __LINE__, __FUNCTION__, ## arg)
32 # define dbg(udev, arg...) udev_log_null(udev, ## arg)
33 # define info(udev, arg...) udev_log_null(udev, ## arg)
34 # define err(udev, arg...) udev_log_null(udev, ## arg)
38 void udev_log(struct udev
*udev
,
39 int priority
, const char *file
, int line
, const char *fn
,
40 const char *format
, ...)
41 __attribute__ ((format(printf
, 6, 7)));
42 struct udev_device
*device_new(struct udev
*udev
);
43 const char *udev_get_rules_path(struct udev
*udev
);
44 int udev_get_run(struct udev
*udev
);
45 struct udev_list_entry
*udev_add_property(struct udev
*udev
, const char *key
, const char *value
);
46 struct udev_list_entry
*udev_get_properties_list_entry(struct udev
*udev
);
49 int udev_device_set_syspath(struct udev_device
*udev_device
, const char *syspath
);
50 int udev_device_set_subsystem(struct udev_device
*udev_device
, const char *subsystem
);
51 int udev_device_set_devtype(struct udev_device
*udev_device
, const char *devtype
);
52 int udev_device_set_devnode(struct udev_device
*udev_device
, const char *devnode
);
53 int udev_device_add_devlink(struct udev_device
*udev_device
, const char *devlink
);
54 void udev_device_cleanup_devlinks_list(struct udev_device
*udev_device
);
55 struct udev_list_entry
*udev_device_add_property(struct udev_device
*udev_device
, const char *key
, const char *value
);
56 struct udev_list_entry
*udev_device_add_property_from_string(struct udev_device
*udev_device
, const char *property
);
57 char **udev_device_get_properties_envp(struct udev_device
*udev_device
);
58 ssize_t
udev_device_get_properties_monitor_buf(struct udev_device
*udev_device
, const char **buf
);
59 int udev_device_read_db(struct udev_device
*udev_device
);
60 int udev_device_read_uevent_file(struct udev_device
*udev_device
);
61 int udev_device_set_action(struct udev_device
*udev_device
, const char *action
);
62 int udev_device_set_driver(struct udev_device
*udev_device
, const char *driver
);
63 const char *udev_device_get_devpath_old(struct udev_device
*udev_device
);
64 int udev_device_set_devpath_old(struct udev_device
*udev_device
, const char *devpath_old
);
65 const char *udev_device_get_knodename(struct udev_device
*udev_device
);
66 int udev_device_set_knodename(struct udev_device
*udev_device
, const char *knodename
);
67 int udev_device_get_timeout(struct udev_device
*udev_device
);
68 int udev_device_set_timeout(struct udev_device
*udev_device
, int timeout
);
69 int udev_device_get_event_timeout(struct udev_device
*udev_device
);
70 int udev_device_set_event_timeout(struct udev_device
*udev_device
, int event_timeout
);
71 int udev_device_set_devnum(struct udev_device
*udev_device
, dev_t devnum
);
72 int udev_device_set_seqnum(struct udev_device
*udev_device
, unsigned long long int seqnum
);
73 int udev_device_get_num_fake_partitions(struct udev_device
*udev_device
);
74 int udev_device_set_num_fake_partitions(struct udev_device
*udev_device
, int num
);
75 int udev_device_get_devlink_priority(struct udev_device
*udev_device
);
76 int udev_device_set_devlink_priority(struct udev_device
*udev_device
, int prio
);
77 int udev_device_get_ignore_remove(struct udev_device
*udev_device
);
78 int udev_device_set_ignore_remove(struct udev_device
*udev_device
, int ignore
);
79 int udev_device_get_watch_handle(struct udev_device
*udev_device
);
80 int udev_device_set_watch_handle(struct udev_device
*udev_device
, int handle
);
81 void udev_device_set_info_loaded(struct udev_device
*device
);
83 /* libudev-device-db-write.c */
84 int udev_device_update_db(struct udev_device
*udev_device
);
85 int udev_device_delete_db(struct udev_device
*udev_device
);
86 int udev_device_rename_db(struct udev_device
*udev_device
, const char *devpath
);
88 /* libudev-monitor - netlink/unix socket communication */
89 int udev_monitor_send_device(struct udev_monitor
*udev_monitor
, struct udev_device
*udev_device
);
90 int udev_monitor_set_receive_buffer_size(struct udev_monitor
*udev_monitor
, int size
);
92 /* libudev-ctrl - daemon runtime setup */
94 struct udev_ctrl
*udev_ctrl_new_from_socket(struct udev
*udev
, const char *socket_path
);
95 int udev_ctrl_enable_receiving(struct udev_ctrl
*uctrl
);
96 struct udev_ctrl
*udev_ctrl_ref(struct udev_ctrl
*uctrl
);
97 void udev_ctrl_unref(struct udev_ctrl
*uctrl
);
98 struct udev
*udev_ctrl_get_udev(struct udev_ctrl
*uctrl
);
99 int udev_ctrl_get_fd(struct udev_ctrl
*uctrl
);
100 int udev_ctrl_send_set_log_level(struct udev_ctrl
*uctrl
, int priority
);
101 int udev_ctrl_send_stop_exec_queue(struct udev_ctrl
*uctrl
);
102 int udev_ctrl_send_start_exec_queue(struct udev_ctrl
*uctrl
);
103 int udev_ctrl_send_reload_rules(struct udev_ctrl
*uctrl
);
104 int udev_ctrl_send_settle(struct udev_ctrl
*uctrl
);
105 int udev_ctrl_send_set_env(struct udev_ctrl
*uctrl
, const char *key
);
106 int udev_ctrl_send_set_max_childs(struct udev_ctrl
*uctrl
, int count
);
107 struct udev_ctrl_msg
;
108 struct udev_ctrl_msg
*udev_ctrl_msg(struct udev_ctrl
*uctrl
);
109 struct udev_ctrl_msg
*udev_ctrl_receive_msg(struct udev_ctrl
*uctrl
);
110 struct udev_ctrl_msg
*udev_ctrl_msg_ref(struct udev_ctrl_msg
*ctrl_msg
);
111 void udev_ctrl_msg_unref(struct udev_ctrl_msg
*ctrl_msg
);
112 int udev_ctrl_get_set_log_level(struct udev_ctrl_msg
*ctrl_msg
);
113 int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg
*ctrl_msg
);
114 int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg
*ctrl_msg
);
115 int udev_ctrl_get_reload_rules(struct udev_ctrl_msg
*ctrl_msg
);
116 pid_t
udev_ctrl_get_settle(struct udev_ctrl_msg
*ctrl_msg
);
117 const char *udev_ctrl_get_set_env(struct udev_ctrl_msg
*ctrl_msg
);
118 int udev_ctrl_get_set_max_childs(struct udev_ctrl_msg
*ctrl_msg
);
121 struct udev_list_node
{
122 struct udev_list_node
*next
, *prev
;
124 void udev_list_init(struct udev_list_node
*list
);
125 int udev_list_is_empty(struct udev_list_node
*list
);
126 void udev_list_node_append(struct udev_list_node
*new, struct udev_list_node
*list
);
127 void udev_list_node_remove(struct udev_list_node
*entry
);
128 #define udev_list_node_foreach(node, list) \
129 for (node = (list)->next; \
132 #define udev_list_node_foreach_safe(node, tmp, list) \
133 for (node = (list)->next, tmp = (node)->next; \
135 node = tmp, tmp = (tmp)->next)
136 struct udev_list_entry
*udev_list_entry_add(struct udev
*udev
, struct udev_list_node
*list
,
137 const char *name
, const char *value
,
138 int unique
, int sort
);
139 void udev_list_entry_delete(struct udev_list_entry
*entry
);
140 void udev_list_entry_remove(struct udev_list_entry
*entry
);
141 void udev_list_entry_insert_before(struct udev_list_entry
*new, struct udev_list_entry
*entry
);
142 void udev_list_entry_append(struct udev_list_entry
*new, struct udev_list_node
*list
);
143 void udev_list_cleanup_entries(struct udev
*udev
, struct udev_list_node
*name_list
);
144 struct udev_list_entry
*udev_list_get_entry(struct udev_list_node
*list
);
145 int udev_list_entry_get_flag(struct udev_list_entry
*list_entry
);
146 void udev_list_entry_set_flag(struct udev_list_entry
*list_entry
, int flag
);
147 #define udev_list_entry_foreach_safe(entry, tmp, first) \
148 for (entry = first, tmp = udev_list_entry_get_next(entry); \
150 entry = tmp, tmp = udev_list_entry_get_next(tmp))
153 int udev_queue_export_udev_seqnum(struct udev_queue
*udev_queue
, unsigned long long int seqnum
);
154 int udev_queue_export_device_queued(struct udev_queue
*udev_queue
, struct udev_device
*udev_device
);
155 int udev_queue_export_device_finished(struct udev_queue
*udev_queue
, struct udev_device
*udev_device
);
156 int udev_queue_export_device_failed(struct udev_queue
*udev_queue
, struct udev_device
*udev_device
);
159 #define UTIL_PATH_SIZE 1024
160 #define UTIL_LINE_SIZE 2048
161 #define UTIL_NAME_SIZE 512
162 #define UDEV_ALLOWED_CHARS_INPUT "/ $%?,"
163 ssize_t
util_get_sys_subsystem(struct udev
*udev
, const char *syspath
, char *subsystem
, size_t size
);
164 ssize_t
util_get_sys_driver(struct udev
*udev
, const char *syspath
, char *driver
, size_t size
);
165 int util_resolve_sys_link(struct udev
*udev
, char *syspath
, size_t size
);
166 int util_log_priority(const char *priority
);
167 size_t util_path_encode(const char *src
, char *dest
, size_t size
);
168 size_t util_path_decode(char *s
);
169 void util_remove_trailing_chars(char *path
, char c
);
170 size_t util_strpcpy(char **dest
, size_t size
, const char *src
);
171 size_t util_strpcpyl(char **dest
, size_t size
, const char *src
, ...);
172 size_t util_strscpy(char *dest
, size_t size
, const char *src
);
173 size_t util_strscpyl(char *dest
, size_t size
, const char *src
, ...);
174 int udev_util_replace_whitespace(const char *str
, char *to
, size_t len
);
175 int udev_util_replace_chars(char *str
, const char *white
);
176 int udev_util_encode_string(const char *str
, char *str_enc
, size_t len
);
177 void util_set_fd_cloexec(int fd
);
178 unsigned int util_string_hash32(const char *str
);