mirror of
https://github.com/systemd/systemd.git
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221 lines
8.6 KiB
C
221 lines
8.6 KiB
C
/*
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* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2003-2010 Kay Sievers <kay@vrfy.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <sys/types.h>
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#include <sys/param.h>
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#include <signal.h>
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#include "macro.h"
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#include "libudev.h"
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#include "libudev-private.h"
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#include "util.h"
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#include "label.h"
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#include "strv.h"
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struct udev_event {
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struct udev *udev;
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struct udev_device *dev;
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struct udev_device *dev_parent;
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struct udev_device *dev_db;
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char *name;
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char *program_result;
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mode_t mode;
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uid_t uid;
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gid_t gid;
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struct udev_list seclabel_list;
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struct udev_list run_list;
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int exec_delay;
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usec_t birth_usec;
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usec_t timeout_usec;
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int fd_signal;
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unsigned int builtin_run;
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unsigned int builtin_ret;
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bool sigterm;
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bool inotify_watch;
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bool inotify_watch_final;
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bool group_set;
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bool group_final;
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bool owner_set;
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bool owner_final;
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bool mode_set;
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bool mode_final;
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bool name_final;
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bool devlink_final;
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bool run_final;
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};
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struct udev_watch {
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struct udev_list_node node;
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int handle;
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char *name;
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};
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/* udev-rules.c */
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struct udev_rules;
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struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names);
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struct udev_rules *udev_rules_unref(struct udev_rules *rules);
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bool udev_rules_check_timestamp(struct udev_rules *rules);
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int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask);
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int udev_rules_apply_static_dev_perms(struct udev_rules *rules);
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/* udev-event.c */
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struct udev_event *udev_event_new(struct udev_device *dev);
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void udev_event_unref(struct udev_event *event);
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size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size);
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int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
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char *result, size_t maxsize, int read_value);
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int udev_event_spawn(struct udev_event *event,
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const char *cmd, char **envp, const sigset_t *sigmask,
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char *result, size_t ressize);
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int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset);
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void udev_event_execute_run(struct udev_event *event, const sigset_t *sigset);
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int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]);
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/* udev-watch.c */
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int udev_watch_init(struct udev *udev);
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void udev_watch_restore(struct udev *udev);
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void udev_watch_begin(struct udev *udev, struct udev_device *dev);
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void udev_watch_end(struct udev *udev, struct udev_device *dev);
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struct udev_device *udev_watch_lookup(struct udev *udev, int wd);
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/* udev-node.c */
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void udev_node_add(struct udev_device *dev, bool apply,
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mode_t mode, uid_t uid, gid_t gid,
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struct udev_list *seclabel_list);
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void udev_node_remove(struct udev_device *dev);
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void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old);
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/* udev-ctrl.c */
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struct udev_ctrl;
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struct udev_ctrl *udev_ctrl_new(struct udev *udev);
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struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd);
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int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl);
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struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl);
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struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl);
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int udev_ctrl_cleanup(struct udev_ctrl *uctrl);
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struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl);
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int udev_ctrl_get_fd(struct udev_ctrl *uctrl);
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int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout);
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int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout);
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int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout);
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int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout);
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int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout);
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int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout);
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int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout);
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int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout);
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struct udev_ctrl_connection;
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struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl);
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struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn);
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struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn);
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struct udev_ctrl_msg;
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struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn);
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struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg);
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struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg);
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const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg);
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int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg);
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/* built-in commands */
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enum udev_builtin_cmd {
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#ifdef HAVE_BLKID
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UDEV_BUILTIN_BLKID,
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#endif
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UDEV_BUILTIN_BTRFS,
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#ifdef HAVE_FIRMWARE
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UDEV_BUILTIN_FIRMWARE,
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#endif
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UDEV_BUILTIN_HWDB,
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UDEV_BUILTIN_INPUT_ID,
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UDEV_BUILTIN_KEYBOARD,
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#ifdef HAVE_KMOD
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UDEV_BUILTIN_KMOD,
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#endif
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UDEV_BUILTIN_NET_ID,
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UDEV_BUILTIN_PATH_ID,
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UDEV_BUILTIN_USB_ID,
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#ifdef HAVE_ACL
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UDEV_BUILTIN_UACCESS,
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#endif
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UDEV_BUILTIN_MAX
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};
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struct udev_builtin {
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const char *name;
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int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test);
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const char *help;
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int (*init)(struct udev *udev);
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void (*exit)(struct udev *udev);
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bool (*validate)(struct udev *udev);
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bool run_once;
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};
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#ifdef HAVE_BLKID
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extern const struct udev_builtin udev_builtin_blkid;
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#endif
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extern const struct udev_builtin udev_builtin_btrfs;
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#ifdef HAVE_FIRMWARE
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extern const struct udev_builtin udev_builtin_firmware;
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#endif
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extern const struct udev_builtin udev_builtin_hwdb;
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extern const struct udev_builtin udev_builtin_input_id;
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extern const struct udev_builtin udev_builtin_keyboard;
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#ifdef HAVE_KMOD
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extern const struct udev_builtin udev_builtin_kmod;
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#endif
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extern const struct udev_builtin udev_builtin_net_id;
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extern const struct udev_builtin udev_builtin_path_id;
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extern const struct udev_builtin udev_builtin_usb_id;
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extern const struct udev_builtin udev_builtin_uaccess;
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void udev_builtin_init(struct udev *udev);
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void udev_builtin_exit(struct udev *udev);
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enum udev_builtin_cmd udev_builtin_lookup(const char *command);
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const char *udev_builtin_name(enum udev_builtin_cmd cmd);
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bool udev_builtin_run_once(enum udev_builtin_cmd cmd);
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int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test);
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void udev_builtin_list(struct udev *udev);
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bool udev_builtin_validate(struct udev *udev);
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int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val);
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int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *prefix, const char *modalias,
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const char *filter, bool test);
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/* udev logging */
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void udev_main_log(struct udev *udev, int priority,
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const char *file, int line, const char *fn,
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const char *format, va_list args) _printf_(6, 0);
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/* udevadm commands */
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struct udevadm_cmd {
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const char *name;
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int (*cmd)(struct udev *udev, int argc, char *argv[]);
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const char *help;
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int debug;
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};
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extern const struct udevadm_cmd udevadm_info;
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extern const struct udevadm_cmd udevadm_trigger;
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extern const struct udevadm_cmd udevadm_settle;
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extern const struct udevadm_cmd udevadm_control;
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extern const struct udevadm_cmd udevadm_monitor;
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extern const struct udevadm_cmd udevadm_hwdb;
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extern const struct udevadm_cmd udevadm_test;
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extern const struct udevadm_cmd udevadm_test_builtin;
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