udevd: implement a more efficient queue file format

[elogind.git] / udev / lib / libudev.h

diff --git a/udev/lib/libudev.h b/udev/lib/libudev.h
index e0aa571e26009c7cbf6dc41f6f4ec578bac42beb..9b51ea3300d44078a86cca40c5e9f60e6b58d268 100644 (file)
--- a/udev/lib/libudev.h
+++ b/udev/lib/libudev.h
@@ -23,26 +23,26 @@
 
 /* library context */
 struct udev;
-extern struct udev *udev_new(void);
-extern struct udev *udev_ref(struct udev *udev);
-extern void udev_unref(struct udev *udev);
-extern void udev_set_log_fn(struct udev *udev,
+struct udev *udev_new(void);
+struct udev *udev_ref(struct udev *udev);
+void udev_unref(struct udev *udev);
+void udev_set_log_fn(struct udev *udev,
                            void (*log_fn)(struct udev *udev,
                                           int priority, const char *file, int line, const char *fn,
                                           const char *format, va_list args));
-extern int udev_get_log_priority(struct udev *udev);
-extern void udev_set_log_priority(struct udev *udev, int priority);
-extern const char *udev_get_sys_path(struct udev *udev);
-extern const char *udev_get_dev_path(struct udev *udev);
-extern void *udev_get_userdata(struct udev *udev);
-extern void udev_set_userdata(struct udev *udev, void *userdata);
+int udev_get_log_priority(struct udev *udev);
+void udev_set_log_priority(struct udev *udev, int priority);
+const char *udev_get_sys_path(struct udev *udev);
+const char *udev_get_dev_path(struct udev *udev);
+void *udev_get_userdata(struct udev *udev);
+void udev_set_userdata(struct udev *udev, void *userdata);
 
 /* list iteration */
 struct udev_list_entry;
-extern struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
-extern struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
-extern const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
-extern const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
+struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
+struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name);
+const char *udev_list_entry_get_name(struct udev_list_entry *list_entry);
+const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
 #define udev_list_entry_foreach(entry, first) \
        for (entry = first; \
             entry != NULL; \
@@ -50,68 +50,73 @@ extern const char *udev_list_entry_get_value(struct udev_list_entry *list_entry)
 
 /* sys devices */
 struct udev_device;
-extern struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
-extern struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
-extern struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
-extern struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
-extern struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype);
-extern struct udev_device *udev_device_ref(struct udev_device *udev_device);
-extern void udev_device_unref(struct udev_device *udev_device);
-extern struct udev *udev_device_get_udev(struct udev_device *udev_device);
-extern const char *udev_device_get_devpath(struct udev_device *udev_device);
-extern const char *udev_device_get_subsystem(struct udev_device *udev_device);
-extern const char *udev_device_get_devtype(struct udev_device *udev_device);
-extern const char *udev_device_get_syspath(struct udev_device *udev_device);
-extern const char *udev_device_get_sysname(struct udev_device *udev_device);
-extern const char *udev_device_get_sysnum(struct udev_device *udev_device);
-extern const char *udev_device_get_devnode(struct udev_device *udev_device);
-extern struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
-extern struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
-extern const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key);
-extern const char *udev_device_get_driver(struct udev_device *udev_device);
-extern dev_t udev_device_get_devnum(struct udev_device *udev_device);
-extern const char *udev_device_get_action(struct udev_device *udev_device);
-extern unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
-extern const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
+struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
+struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
+struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
+struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
+struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype);
+struct udev_device *udev_device_ref(struct udev_device *udev_device);
+void udev_device_unref(struct udev_device *udev_device);
+struct udev *udev_device_get_udev(struct udev_device *udev_device);
+const char *udev_device_get_devpath(struct udev_device *udev_device);
+const char *udev_device_get_subsystem(struct udev_device *udev_device);
+const char *udev_device_get_devtype(struct udev_device *udev_device);
+const char *udev_device_get_syspath(struct udev_device *udev_device);
+const char *udev_device_get_sysname(struct udev_device *udev_device);
+const char *udev_device_get_sysnum(struct udev_device *udev_device);
+const char *udev_device_get_devnode(struct udev_device *udev_device);
+struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device);
+struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device);
+const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key);
+const char *udev_device_get_driver(struct udev_device *udev_device);
+dev_t udev_device_get_devnum(struct udev_device *udev_device);
+const char *udev_device_get_action(struct udev_device *udev_device);
+unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device);
+const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr);
 
 /* udev and kernel device events */
 struct udev_monitor;
-extern struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path);
-extern struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name);
-extern int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
-extern struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
-extern void udev_monitor_unref(struct udev_monitor *udev_monitor);
-extern struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
-extern int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
-extern struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
+struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path);
+struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name);
+int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
+struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
+void udev_monitor_unref(struct udev_monitor *udev_monitor);
+struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
+int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
+struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
+int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype);
+int udev_monitor_filter_update(struct udev_monitor *udev_monitor);
+int udev_monitor_filter_remove(struct udev_monitor *udev_monitor);
 
 /* sys enumeration */
 struct udev_enumerate;
-extern struct udev_enumerate *udev_enumerate_new(struct udev *udev);
-extern struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
-extern void udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
-extern struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
-extern int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
-extern int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
-extern int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
-extern int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
-extern int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
-extern int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
-extern int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
-extern int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
-extern struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);
+struct udev_enumerate *udev_enumerate_new(struct udev *udev);
+struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate);
+void udev_enumerate_unref(struct udev_enumerate *udev_enumerate);
+struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate);
+int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
+int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem);
+int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
+int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value);
+int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
+int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath);
+int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate);
+int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate);
+struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate);
 
 /* event queue */
 struct udev_queue;
-extern struct udev_queue *udev_queue_new(struct udev *udev);
-extern struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue);
-extern void udev_queue_unref(struct udev_queue *udev_queue);
-extern struct udev *udev_queue_get_udev(struct udev_queue *udev_queue);
-extern unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue);
-extern unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue);
-extern int udev_queue_get_udev_is_active(struct udev_queue *udev_queue);
-extern int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
-extern int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum);
-extern struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue);
-extern struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);
+struct udev_queue *udev_queue_new(struct udev *udev);
+struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue);
+void udev_queue_unref(struct udev_queue *udev_queue);
+struct udev *udev_queue_get_udev(struct udev_queue *udev_queue);
+unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue);
+unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue);
+int udev_queue_get_udev_is_active(struct udev_queue *udev_queue);
+int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
+int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum);
+int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
+                                              unsigned long long int start, unsigned long long int end);
+struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue);
+struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);
 #endif