src/libsystemd/sd-device/device-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #define FOREACH_DEVICE_PROPERTY(device, key, value)                \
   5         for (key = sd_device_get_property_first(device, &(value)); \
   6              key;                                                  \
   7              key = sd_device_get_property_next(device, &(value)))
   8
   9 #define FOREACH_DEVICE_TAG(device, tag)             \
  10         for (tag = sd_device_get_tag_first(device); \
  11              tag;                                   \
  12              tag = sd_device_get_tag_next(device))
  13
  14 #define FOREACH_DEVICE_SYSATTR(device, attr)             \
  15         for (attr = sd_device_get_sysattr_first(device); \
  16              attr;                                       \
  17              attr = sd_device_get_sysattr_next(device))
  18
  19 #define FOREACH_DEVICE_DEVLINK(device, devlink)             \
  20         for (devlink = sd_device_get_devlink_first(device); \
  21              devlink;                                   \
  22              devlink = sd_device_get_devlink_next(device))
  23
  24 #define FOREACH_DEVICE(enumerator, device)                               \
  25         for (device = sd_device_enumerator_get_device_first(enumerator); \
  26              device;                                                     \
  27              device = sd_device_enumerator_get_device_next(enumerator))
  28
  29 #define FOREACH_SUBSYSTEM(enumerator, device)                               \
  30         for (device = sd_device_enumerator_get_subsystem_first(enumerator); \
  31              device;                                                        \
  32              device = sd_device_enumerator_get_subsystem_next(enumerator))
  33
  34 #define log_device_full(device, level, error, ...)                      \
  35         ({                                                              \
  36                 const char *_sysname = NULL;                            \
  37                 sd_device *_d = (device);                               \
  38                 int _level = (level), _error = (error);                 \
  39                                                                         \
  40                 if (_d && _unlikely_(log_get_max_level() >= _level))    \
  41                         (void) sd_device_get_sysname(_d, &_sysname);    \
  42                 log_object_internal(_level, _error, PROJECT_FILE, __LINE__, __func__, \
  43                                     _sysname ? "DEVICE=" : NULL, _sysname, \
  44                                     NULL, NULL, ##__VA_ARGS__);         \
  45         })
  46
  47 #define log_device_debug(device, ...)   log_device_full(device, LOG_DEBUG, 0, ##__VA_ARGS__)
  48 #define log_device_info(device, ...)    log_device_full(device, LOG_INFO, 0, ##__VA_ARGS__)
  49 #define log_device_notice(device, ...)  log_device_full(device, LOG_NOTICE, 0, ##__VA_ARGS__)
  50 #define log_device_warning(device, ...) log_device_full(device, LOG_WARNING, 0, ##__VA_ARGS__)
  51 #define log_device_error(device, ...)   log_device_full(device, LOG_ERR, 0, ##__VA_ARGS__)
  52
  53 #define log_device_debug_errno(device, error, ...)   log_device_full(device, LOG_DEBUG, error, ##__VA_ARGS__)
  54 #define log_device_info_errno(device, error, ...)    log_device_full(device, LOG_INFO, error, ##__VA_ARGS__)
  55 #define log_device_notice_errno(device, error, ...)  log_device_full(device, LOG_NOTICE, error, ##__VA_ARGS__)
  56 #define log_device_warning_errno(device, error, ...) log_device_full(device, LOG_WARNING, error, ##__VA_ARGS__)
  57 #define log_device_error_errno(device, error, ...)   log_device_full(device, LOG_ERR, error, ##__VA_ARGS__)