X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udevd.h;h=c1f0fd6a1263b55d7bf66b2f71695d70ff2eb06a;hb=cea61f5c0303d7e2f0886688e789c091d7e4b9e2;hp=657f684e3fb3a861d03f99cde64de1f7bb6e6476;hpb=5cab7caa2a767b16211c15f0051a2e21a96ebfd9;p=elogind.git diff --git a/udevd.h b/udevd.h index 657f684e3..c1f0fd6a1 100644 --- a/udevd.h +++ b/udevd.h @@ -1,11 +1,8 @@ /* * udevd.h * - * Userspace devfs - * * Copyright (C) 2004 Ling, Xiaofeng - * Copyright (C) 2004 Kay Sievers - * + * 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 @@ -24,20 +21,54 @@ #include "list.h" -#define UDEV_MAGIC "udevd_" UDEV_VERSION -#define EVENT_TIMEOUT_SEC 10 -#define UDEVD_SOCK_PATH "udevd" -#define SEND_WAIT_MAX_SECONDS 3 -#define SEND_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 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 hotplug_msg { - char magic[20]; - struct list_head list; +struct udevd_uevent_msg { + struct list_head node; pid_t pid; + int exitstatus; + time_t queue_time; + char *action; + char *devpath; + char *subsystem; + char *driver; + dev_t devt; unsigned long long seqnum; - long queue_time; - char action[ACTION_SIZE]; - char devpath[DEVPATH_SIZE]; - char subsystem[SUBSYSTEM_SIZE]; + char *physdevpath; + unsigned int timeout; + char *envp[UEVENT_NUM_ENVP+1]; + char envbuf[]; };