X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Flib%2Flibudev.h;h=fabe59d7d738d99e1fe590cad2233651b325df36;hp=1eb3745e6ffa51abcc070f9e49ba984e27795c41;hb=98f10a9e2ada5d72a0c39b94a5b59d9da4f28753;hpb=ba6929f6690a72485ac3c6b7610ffbd5ab319be7 diff --git a/udev/lib/libudev.h b/udev/lib/libudev.h index 1eb3745e6..fabe59d7d 100644 --- a/udev/lib/libudev.h +++ b/udev/lib/libudev.h @@ -20,10 +20,16 @@ #ifndef _LIBUDEV_H_ #define _LIBUDEV_H_ -struct udev; -struct udev_device; -struct udev_monitor; +#include +#include +/* this will stay as long as the DeviceKit integration of udev is work in progress */ +#if !defined _LIBUDEV_COMPILATION && !defined LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE +#error "#define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE is needed to use this experimental library version" +#endif + +/* 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); @@ -31,35 +37,82 @@ extern 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); -extern struct udev_device *udev_device_new_from_devpath(struct udev *udev, const char *devpath); +/* 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); +#define udev_list_entry_foreach(entry, first) \ + for (entry = first; \ + entry != NULL; \ + entry = udev_list_entry_get_next(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_get_parent(struct udev_device *udev_device); +extern struct udev_device *udev_device_get_parent_with_subsystem(struct udev_device *udev_device, const char *subsystem); 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_devname(struct udev_device *udev_device); extern const char *udev_device_get_subsystem(struct udev_device *udev_device); -extern int udev_device_get_devlinks(struct udev_device *udev_device, - int (*cb)(struct udev_device *udev_device, - const char *value, void *data), - void *data); -extern int udev_device_get_properties(struct udev_device *udev_device, - int (*cb)(struct udev_device *udev_device, - const char *key, const char *value, void *data), - void *data); - -extern int udev_devices_enumerate(struct udev *udev, const char *subsystem, - int (*cb)(struct udev *udev, - const char *devpath, const char *subsystem, const char *name, void *data), - void *data); +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_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_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_attr_value(struct udev_device *udev_device, const char *attr); +/* 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); +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_get_device(struct udev_monitor *udev_monitor); +extern struct udev_device *udev_monitor_receive_device(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_attr(struct udev_enumerate *udev_enumerate, const char *attr, const char *value); +extern int udev_enumerate_add_nomatch_attr(struct udev_enumerate *udev_enumerate, const char *attr, 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); +/* 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_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); #endif