4 * Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
5 * Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation version 2 of the License.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define UDEVD_PRIORITY -4
25 #define UDEV_PRIORITY -2
27 #define EVENT_QUEUE_DIR ".udev/queue"
28 #define EVENT_FAILED_DIR ".udev/failed"
29 #define EVENT_SEQNUM ".udev/uevent_seqnum"
31 /* maximum limit of forked childs */
32 #define UDEVD_MAX_CHILDS 256
33 /* start to throttle forking if maximum number of running childs in our session is reached */
34 #define UDEVD_MAX_CHILDS_RUNNING 16
36 /* linux/include/linux/kobject.h */
37 #define UEVENT_BUFFER_SIZE 2048
38 #define UEVENT_NUM_ENVP 32
40 #define UDEVD_CTRL_SOCK_PATH "/org/kernel/udev/udevd"
41 #define UDEVD_CTRL_MAGIC "udevd_" UDEV_VERSION
43 enum udevd_ctrl_msg_type {
45 UDEVD_CTRL_STOP_EXEC_QUEUE,
46 UDEVD_CTRL_START_EXEC_QUEUE,
47 UDEVD_CTRL_SET_LOG_LEVEL,
48 UDEVD_CTRL_SET_MAX_CHILDS,
49 UDEVD_CTRL_SET_MAX_CHILDS_RUNNING,
50 UDEVD_CTRL_RELOAD_RULES,
53 struct udevd_ctrl_msg {
55 enum udevd_ctrl_msg_type type;
59 struct udevd_uevent_msg {
60 struct list_head node;
69 unsigned long long seqnum;
72 char *envp[UEVENT_NUM_ENVP+1];