Adding upstream version 252.22.upstream/252.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 87 insertions, 0 deletions

diff --git a/src/shared/udev-util.h b/src/shared/udev-util.h
new file mode 100644
index 0000000..c3c3dbe
--- /dev/null
+++ b/src/shared/udev-util.h
@@ -0,0 +1,87 @@
+/* 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 timeout_usec, sd_device **ret);
+int device_wait_for_devlink(const char *path, const char *subsystem, usec_t timeout_usec, 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);
+
+bool devpath_conflict(const char *a, const char *b);
+
+int udev_queue_is_empty(void);
+int udev_queue_init(void);
+
+int on_ac_power(void);
+
+bool udev_available(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