| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| #pragma once |
| |
| #if HAVE_SYS_SDT_H |
| #define SDT_USE_VARIADIC |
| #include <sys/sdt.h> |
| #endif |
| |
| #include "sd-device.h" |
| |
| #include "time-util.h" |
| |
| #define UDEV_NAME_SIZE 512 |
| #define UDEV_PATH_SIZE 1024 |
| #define UDEV_LINE_SIZE 16384 |
| |
| typedef enum ResolveNameTiming { |
| RESOLVE_NAME_NEVER, |
| RESOLVE_NAME_LATE, |
| RESOLVE_NAME_EARLY, |
| _RESOLVE_NAME_TIMING_MAX, |
| _RESOLVE_NAME_TIMING_INVALID = -EINVAL, |
| } ResolveNameTiming; |
| |
| ResolveNameTiming resolve_name_timing_from_string(const char *s) _pure_; |
| const char *resolve_name_timing_to_string(ResolveNameTiming i) _const_; |
| |
| int udev_parse_config_full( |
| unsigned *ret_children_max, |
| usec_t *ret_exec_delay_usec, |
| usec_t *ret_event_timeout_usec, |
| ResolveNameTiming *ret_resolve_name_timing, |
| int *ret_timeout_signal); |
| |
| static inline int udev_parse_config(void) { |
| return udev_parse_config_full(NULL, NULL, NULL, NULL, NULL); |
| } |
| |
| int device_wait_for_initialization(sd_device *device, const char *subsystem, usec_t deadline, sd_device **ret); |
| int device_wait_for_devlink(const char *path, const char *subsystem, usec_t deadline, sd_device **ret); |
| int device_is_renaming(sd_device *dev); |
| |
| bool device_for_action(sd_device *dev, sd_device_action_t action); |
| |
| void log_device_uevent(sd_device *device, const char *str); |
| |
| int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos); |
| size_t udev_replace_whitespace(const char *str, char *to, size_t len); |
| size_t udev_replace_ifname(char *str); |
| size_t udev_replace_chars(char *str, const char *allow); |
| int udev_resolve_subsys_kernel(const char *string, char *result, size_t maxsize, bool read_value); |
| |
| int udev_queue_is_empty(void); |
| int udev_queue_init(void); |
| |
| #if HAVE_SYS_SDT_H |
| |
| /* Each trace point can have different number of additional arguments. Note that when the macro is used only |
| * additional arguments are listed in the macro invocation! |
| * |
| * Default arguments for each trace point are as follows: |
| * - arg0 - action |
| * - arg1 - sysname |
| * - arg2 - syspath |
| * - arg3 - subsystem |
| */ |
| #define DEVICE_TRACE_POINT(name, dev, ...) \ |
| do { \ |
| PROTECT_ERRNO; \ |
| const char *_n = NULL, *_p = NULL, *_s = NULL; \ |
| sd_device *_d = (dev); \ |
| sd_device_action_t _a = _SD_DEVICE_ACTION_INVALID; \ |
| (void) sd_device_get_action(_d, &_a); \ |
| (void) sd_device_get_sysname(_d, &_n); \ |
| (void) sd_device_get_syspath(_d, &_p); \ |
| (void) sd_device_get_subsystem(_d, &_s); \ |
| STAP_PROBEV(udev, name, device_action_to_string(_a), _n, _p, _s __VA_OPT__(,) __VA_ARGS__);\ |
| } while(false); |
| #else |
| #define DEVICE_TRACE_POINT(name, dev, ...) ((void) 0) |
| #endif |