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e345e2670a
systemd/udev/lib/libudev-private.h
Kay Sievers e345e2670a libudev: rework list handling
2008-09-26 19:44:53 +02:00

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/*
* libudev - interface to udev device information
*
* Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _LIBUDEV_PRIVATE_H_
#define _LIBUDEV_PRIVATE_H_
#include <syslog.h>
#include "libudev.h"
#ifdef USE_LOG
#ifdef USE_DEBUG
#define dbg(udev, arg...) \
udev_log(udev, LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, ## arg)
#else
#define dbg(format, arg...) do { } while (0)
#endif /* USE_DEBUG */
#define info(udev, arg...) \
udev_log(udev, LOG_INFO, __FILE__, __LINE__, __FUNCTION__, ## arg)
#define err(udev, arg...) \
udev_log(udev, LOG_ERR, __FILE__, __LINE__, __FUNCTION__, ## arg)
#else
#define dbg(format, arg...) do { } while (0)
#define info(format, arg...) do { } while (0)
#define err(format, arg...) do { } while (0)
#endif
/* libudev */
void udev_log(struct udev *udev,
int priority, const char *file, int line, const char *fn,
const char *format, ...)
__attribute__ ((format(printf, 6, 7)));
extern struct udev_device *device_init(struct udev *udev);
extern const char *udev_get_rules_path(struct udev *udev);
extern int udev_get_run(struct udev *udev);
/* libudev-device */
extern int device_set_syspath(struct udev_device *udev_device, const char *syspath);
extern int device_set_subsystem(struct udev_device *udev_device, const char *subsystem);
extern int device_set_devnode(struct udev_device *udev_device, const char *devnode);
extern int device_add_devlink(struct udev_device *udev_device, const char *devlink);
extern int device_add_property(struct udev_device *udev_device, const char *key, const char *value);
extern int device_add_property_from_string(struct udev_device *udev_device, const char *property);
extern int device_set_action(struct udev_device *udev_device, const char *action);
extern int device_set_driver(struct udev_device *udev_device, const char *driver);
extern const char *device_get_devpath_old(struct udev_device *udev_device);
extern int device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old);
extern const char *device_get_physdevpath(struct udev_device *udev_device);
extern int device_set_physdevpath(struct udev_device *udev_device, const char *physdevpath);
extern int device_get_timeout(struct udev_device *udev_device);
extern int device_set_timeout(struct udev_device *udev_device, int timeout);
extern int device_get_event_timeout(struct udev_device *udev_device);
extern int device_set_event_timeout(struct udev_device *udev_device, int event_timeout);
extern int device_set_devnum(struct udev_device *udev_device, dev_t devnum);
extern int device_set_seqnum(struct udev_device *udev_device, unsigned long long int seqnum);
extern int device_get_num_fake_partitions(struct udev_device *udev_device);
extern int device_set_num_fake_partitions(struct udev_device *udev_device, int num);
extern int device_get_devlink_priority(struct udev_device *udev_device);
extern int device_set_devlink_priority(struct udev_device *udev_device, int prio);
extern int device_get_ignore_remove(struct udev_device *udev_device);
extern int device_set_ignore_remove(struct udev_device *udev_device, int ignore);
extern void device_set_info_loaded(struct udev_device *device);
/* libudev-ctrl - daemon runtime setup */
struct udev_ctrl;
extern struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socket_path);
extern int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl);
extern struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl);
extern void udev_ctrl_unref(struct udev_ctrl *uctrl);
extern struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl);
extern int udev_ctrl_get_fd(struct udev_ctrl *uctrl);
extern int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority);
extern int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl);
extern int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl);
extern int udev_ctrl_send_reload_rules(struct udev_ctrl *uctrl);
extern int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key);
extern int udev_ctrl_send_set_max_childs(struct udev_ctrl *uctrl, int count);
struct udev_ctrl_msg;
extern struct udev_ctrl_msg *udev_ctrl_msg(struct udev_ctrl *uctrl);
extern struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl *uctrl);
extern struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg);
extern void udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg);
extern int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg);
extern int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg);
extern int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg);
extern int udev_ctrl_get_reload_rules(struct udev_ctrl_msg *ctrl_msg);
extern const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg);
extern int udev_ctrl_get_set_max_childs(struct udev_ctrl_msg *ctrl_msg);
/* libudev-list */
struct list_node {
struct list_node *next, *prev;
};
extern void list_init(struct list_node *list);
extern struct udev_list *list_insert_entry(struct udev *udev, struct list_node *name_list,
const char *name, const char *value, int sort);
extern struct udev_list *list_get_entry(struct list_node *list);
extern void list_move_entry_to_end(struct udev_list *list_entry, struct list_node *list);
extern void list_cleanup(struct udev *udev, struct list_node *name_list);
/* libudev-utils */
#define UTIL_PATH_SIZE 1024
#define UTIL_LINE_SIZE 2048
#define UTIL_NAME_SIZE 512
extern ssize_t util_get_sys_subsystem(struct udev *udev, const char *syspath, char *subsystem, size_t size);
extern ssize_t util_get_sys_driver(struct udev *udev, const char *syspath, char *driver, size_t size);
extern int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size);
extern int util_log_priority(const char *priority);
extern size_t util_path_encode(char *s, size_t len);
extern size_t util_path_decode(char *s);
extern void util_remove_trailing_chars(char *path, char c);
extern size_t util_strlcpy(char *dst, const char *src, size_t size);
extern size_t util_strlcat(char *dst, const char *src, size_t size);
extern int util_replace_chars(char *str, const char *white);
#endif
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