src/libsystemd/sd-device/device-enumerator-private.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5
   6 #include "sd-device.h"
   7
   8 typedef enum MatchInitializedType {
   9         MATCH_INITIALIZED_NO,     /* only devices without a db entry */
  10         MATCH_INITIALIZED_YES,    /* only devices with a db entry */
  11         MATCH_INITIALIZED_ALL,    /* all devices */
  12         MATCH_INITIALIZED_COMPAT, /* only devices that have no devnode/ifindex or have a db entry */
  13         _MATCH_INITIALIZED_MAX,
  14         _MATCH_INITIALIZED_INVALID = -EINVAL,
  15 } MatchInitializedType;
  16
  17 int device_enumerator_scan_devices(sd_device_enumerator *enumerator);
  18 int device_enumerator_scan_subsystems(sd_device_enumerator *enumerator);
  19 int device_enumerator_scan_devices_and_subsystems(sd_device_enumerator *enumerator);
  20 int device_enumerator_add_device(sd_device_enumerator *enumerator, sd_device *device);
  21 int device_enumerator_add_parent_devices(sd_device_enumerator *enumerator, sd_device *device);
  22 int device_enumerator_add_match_is_initialized(sd_device_enumerator *enumerator, MatchInitializedType type);
  23 int device_enumerator_add_match_parent_incremental(sd_device_enumerator *enumerator, sd_device *parent);
  24 int device_enumerator_add_prioritized_subsystem(sd_device_enumerator *enumerator, const char *subsystem);
  25 sd_device *device_enumerator_get_first(sd_device_enumerator *enumerator);
  26 sd_device *device_enumerator_get_next(sd_device_enumerator *enumerator);
  27 sd_device **device_enumerator_get_devices(sd_device_enumerator *enumerator, size_t *ret_n_devices);
  28
  29 #define FOREACH_DEVICE_AND_SUBSYSTEM(enumerator, device)       \
  30         for (device = device_enumerator_get_first(enumerator); \
  31              device;                                           \
  32              device = device_enumerator_get_next(enumerator))