src/shared/udev-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include "sd-device.h"
   5
   6 #include "device-private.h"
   7 #include "time-util.h"
   8
   9 #define UDEV_NAME_SIZE   512
  10 #define UDEV_PATH_SIZE  1024
  11 #define UDEV_LINE_SIZE 16384
  12
  13 typedef enum ResolveNameTiming {
  14         RESOLVE_NAME_NEVER,
  15         RESOLVE_NAME_LATE,
  16         RESOLVE_NAME_EARLY,
  17         _RESOLVE_NAME_TIMING_MAX,
  18         _RESOLVE_NAME_TIMING_INVALID = -EINVAL,
  19 } ResolveNameTiming;
  20
  21 ResolveNameTiming resolve_name_timing_from_string(const char *s) _pure_;
  22 const char *resolve_name_timing_to_string(ResolveNameTiming i) _const_;
  23
  24 int udev_parse_config_full(
  25                 unsigned *ret_children_max,
  26                 usec_t *ret_exec_delay_usec,
  27                 usec_t *ret_event_timeout_usec,
  28                 ResolveNameTiming *ret_resolve_name_timing,
  29                 int *ret_timeout_signal);
  30
  31 static inline int udev_parse_config(void) {
  32         return udev_parse_config_full(NULL, NULL, NULL, NULL, NULL);
  33 }
  34
  35 int device_wait_for_initialization(sd_device *device, const char *subsystem, usec_t deadline, sd_device **ret);
  36 int device_wait_for_devlink(const char *path, const char *subsystem, usec_t deadline, sd_device **ret);
  37 int device_is_renaming(sd_device *dev);
  38 bool device_for_action(sd_device *dev, DeviceAction action);
  39
  40 void log_device_uevent(sd_device *device, const char *str);
  41
  42 int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos);
  43 size_t udev_replace_whitespace(const char *str, char *to, size_t len);
  44 size_t udev_replace_chars(char *str, const char *allow);
  45 int udev_resolve_subsys_kernel(const char *string, char *result, size_t maxsize, bool read_value);
  46
  47 int udev_queue_is_empty(void);
  48 int udev_queue_init(void);