087 release

[elogind.git] / udevd.h

diff --git a/udevd.h b/udevd.h
index b393a28bf94ad8a55eb646a3d7b7786167450219..9ab6a445b9420e558e113ad40bdf9bd01d0094be 100644 (file)
--- a/udevd.h
+++ b/udevd.h
@@ -1,11 +1,8 @@
 /*
  * udevd.h
  *
- * Userspace devfs
- *
  * Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- *
+ * Copyright (C) 2004-2005 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
@@ -25,28 +22,56 @@
 #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_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"
+
+/* 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
 
 /* environment buffer, should match the kernel's size in lib/kobject_uevent.h */
-#define HOTPLUG_BUFFER_SIZE            1024
-#define HOTPLUG_NUM_ENVP               32
+#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 udevsend_msg {
-       char magic[20];
-       char envbuf[HOTPLUG_BUFFER_SIZE];
+struct udevd_msg {
+       char magic[32];
+       enum udevd_msg_type type;
+       char envbuf[UEVENT_BUFFER_SIZE+512];
 };
 
-struct hotplug_msg {
-       struct list_head list;
+struct uevent_msg {
+       enum udevd_msg_type type;
+       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[];
 };