release 105

[elogind.git] / udevd.h

diff --git a/udevd.h b/udevd.h
index b393a28bf94ad8a55eb646a3d7b7786167450219..fce86e71268319eabfb09864e4a8e7ff1f2636bc 100644 (file)
--- a/udevd.h
+++ b/udevd.h
@@ -1,11 +1,6 @@
 /*
- * udevd.h
- *
- * Userspace devfs
- *
  * Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
+ * Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org>
  *
  *     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
@@ -18,35 +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 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"
 
-/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */
-#define HOTPLUG_BUFFER_SIZE            1024
-#define HOTPLUG_NUM_ENVP               32
+/* 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 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;
+       char *driver;
+       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[];
 };