X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=e6ed58d622d1786b6bad858722240bc58f32e189;hp=4bccd4b81a75e14cd7c46a90c0e6ce18bc303925;hb=7baada47bea60dd192067fd36778a77481a3ed3a;hpb=35b7d88c0dab4c1104c127ddd644db22307949c9 diff --git a/udevd.h b/udevd.h index 4bccd4b81..e6ed58d62 100644 --- a/udevd.h +++ b/udevd.h @@ -1,10 +1,8 @@ /* * udevd.h * - * Userspace devfs - * * 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 @@ -23,21 +21,58 @@ #include "list.h" -#define FIRST_EVENT_TIMEOUT_SEC 1 -#define EVENT_TIMEOUT_SEC 5 -#define UDEVSEND_RETRY_COUNT 50 /* x 10 millisec */ +#define UDEV_MAGIC "udevd_" UDEV_VERSION +#define UDEVD_SOCK_PATH "/org/kernel/udev/udevd" +#define UDEVSEND_WAIT_MAX_SECONDS 3 +#define UDEVSEND_WAIT_LOOP_PER_SECOND 10 + +#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 64 +/* start to throttle forking if maximum number of running childs in our session is reached */ +#define UDEVD_MAX_CHILDS_RUNNING 16 -#define IPC_KEY_ID 1 -#define HOTPLUGMSGTYPE 44 +/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */ +#define UEVENT_BUFFER_SIZE 2048 +#define UEVENT_NUM_ENVP 64 +enum udevd_msg_type { + UDEVD_UNKNOWN, + UDEVD_UEVENT_UDEVSEND, + UDEVD_UEVENT_NETLINK, + UDEVD_STOP_EXEC_QUEUE, + UDEVD_START_EXEC_QUEUE, + UDEVD_SET_LOG_LEVEL, + UDEVD_SET_MAX_CHILDS, + UDEVD_RELOAD_RULES, +}; + + +struct udevd_msg { + char magic[32]; + enum udevd_msg_type type; + char envbuf[UEVENT_BUFFER_SIZE+512]; +}; -struct hotplug_msg { - long mtype; - struct list_head list; +struct uevent_msg { + enum udevd_msg_type type; + struct list_head node; pid_t pid; - int seqnum; + int exitstatus; time_t queue_time; - char action[8]; - char devpath[128]; - char subsystem[16]; + 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[]; };