X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=fce86e71268319eabfb09864e4a8e7ff1f2636bc;hp=28f62cf528ffe66c26b18a6cd220c91504afad10;hb=1bcfb137e838a9fa8c607aa2e88b1b1f0716f296;hpb=8b72687876747186d5f1a5a45464bf64b1a166f5 diff --git a/udevd.h b/udevd.h index 28f62cf52..fce86e712 100644 --- a/udevd.h +++ b/udevd.h @@ -1,11 +1,6 @@ /* - * udevd.h - * - * Userspace devfs - * * Copyright (C) 2004 Ling, Xiaofeng - * Copyright (C) 2004 Kay Sievers - * + * Copyright (C) 2004-2006 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 @@ -18,38 +13,60 @@ * * 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. + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "list.h" -#define UDEV_MAGIC "udevd_" UDEV_VERSION -#define UDEVD_SOCK_PATH "udevd" -#define SEND_WAIT_MAX_SECONDS 3 -#define SEND_WAIT_LOOP_PER_SECOND 10 -#define INIT_TIME_SEC 5 -#define EVENT_INIT_TIMEOUT_SEC 2 -#define EVENT_TIMEOUT_SEC 10 - -/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */ -#define HOTPLUG_BUFFER_SIZE 1024 -#define HOTPLUG_NUM_ENVP 32 - -struct udevsend_msg { - char magic[20]; - char envbuf[HOTPLUG_BUFFER_SIZE+256]; +#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 { - 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; + char *driver; + dev_t devt; unsigned long long seqnum; char *physdevpath; - char *envp[HOTPLUG_NUM_ENVP+1]; + unsigned int timeout; + char *envp[UEVENT_NUM_ENVP+1]; char envbuf[]; };