X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=b852b5224d40f000851cd2654b06e6dd5764954a;hp=b393a28bf94ad8a55eb646a3d7b7786167450219;hb=9824e9a76426eef53713349c0464e9d1411e3b66;hpb=4a231017ff6e9f66a685b0d1e4e49dc46645bb40 diff --git a/udevd.h b/udevd.h index b393a28bf..b852b5224 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 @@ -24,29 +21,52 @@ #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 -/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */ -#define HOTPLUG_BUFFER_SIZE 1024 -#define HOTPLUG_NUM_ENVP 32 +/* 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_RELOAD_RULES, +}; -struct udevsend_msg { - char magic[20]; - char envbuf[HOTPLUG_BUFFER_SIZE]; +struct udevd_ctrl_msg { + char magic[32]; + enum udevd_ctrl_msg_type type; + char buf[256]; }; -struct hotplug_msg { - struct list_head list; +struct udevd_uevent_msg { + struct list_head node; pid_t pid; - long queue_time; + int exitstatus; + time_t queue_time; char *action; char *devpath; char *subsystem; + dev_t devt; unsigned long long seqnum; - char *envp[HOTPLUG_NUM_ENVP]; + char *physdevpath; + unsigned int timeout; + char *envp[UEVENT_NUM_ENVP+1]; char envbuf[]; };