X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Flib%2Flibudev.h;h=be09ddb75a331c2cad155eb3c7f7fb4ad1cd9fe9;hp=2fd990f92e1d23b32130071c579c6b1e69265536;hb=116254097ad3c07d9f7ed06042dbec7ba4f0f4fd;hpb=6b12bdb62460a0bdc08d5e020a64c18bc1672bb1 diff --git a/udev/lib/libudev.h b/udev/lib/libudev.h index 2fd990f92..be09ddb75 100644 --- a/udev/lib/libudev.h +++ b/udev/lib/libudev.h @@ -3,24 +3,17 @@ * * Copyright (C) 2008 Kay Sievers * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. */ #ifndef _LIBUDEV_H_ #define _LIBUDEV_H_ #include +#include #include /* this will stay as long as the DeviceKit integration of udev is work in progress */ @@ -28,6 +21,7 @@ #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); @@ -40,37 +34,54 @@ 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); + +/* 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_devpath(struct udev *udev, const char *devpath); +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_devname(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 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); -extern int udev_enumerate_devices(struct udev *udev, const char *subsystem, - int (*cb)(struct udev *udev, - const char *devpath, const char *subsystem, const char *name, void *data), - void *data); - +/* udev and kernel device events */ struct udev_monitor; +enum udev_monitor_netlink_group { + UDEV_MONITOR_KERNEL = 1, + UDEV_MONITOR_UDEV = 2, +}; 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 struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, enum udev_monitor_netlink_group group); 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); @@ -78,4 +89,33 @@ 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); +/* 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); + +/* 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); #endif