/* * udevd.h * * Copyright (C) 2004 Ling, Xiaofeng * Copyright (C) 2004-2005 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 version 2 of the License. * * 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, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. * */ #include "list.h" #define UDEVD_PRIORITY -4 #define UDEV_PRIORITY -2 #define EVENT_QUEUE_DIR ".udev/queue" #define EVENT_FAILED_DIR ".udev/failed" #define EVENT_SEQNUM ".udev/uevent_seqnum" /* maximum limit of forked childs */ #define UDEVD_MAX_CHILDS 256 /* start to throttle forking if maximum number of running childs in our session is reached */ #define UDEVD_MAX_CHILDS_RUNNING 16 /* linux/include/linux/kobject.h */ #define UEVENT_BUFFER_SIZE 2048 #define UEVENT_NUM_ENVP 32 #define UDEVD_CTRL_SOCK_PATH "/org/kernel/udev/udevd" #define UDEVD_CTRL_MAGIC "udevd_" UDEV_VERSION enum udevd_ctrl_msg_type { UDEVD_CTRL_UNKNOWN, UDEVD_CTRL_STOP_EXEC_QUEUE, UDEVD_CTRL_START_EXEC_QUEUE, UDEVD_CTRL_SET_LOG_LEVEL, UDEVD_CTRL_SET_MAX_CHILDS, UDEVD_CTRL_SET_MAX_CHILDS_RUNNING, UDEVD_CTRL_RELOAD_RULES, }; struct udevd_ctrl_msg { char magic[32]; enum udevd_ctrl_msg_type type; char buf[256]; }; struct udevd_uevent_msg { struct list_head node; pid_t pid; int exitstatus; time_t queue_time; char *action; char *devpath; char *subsystem; dev_t devt; unsigned long long seqnum; char *physdevpath; unsigned int timeout; char *envp[UEVENT_NUM_ENVP+1]; char envbuf[]; };