chiark / gitweb /
[PATCH] udevd: serialization of the event sequence of a chain of devices
[elogind.git] / udevd.h
diff --git a/udevd.h b/udevd.h
index c9b69bb..1c4b1b8 100644 (file)
--- a/udevd.h
+++ b/udevd.h
@@ -4,6 +4,7 @@
  * Userspace devfs
  *
  * Copyright (C) 2004 Ling, Xiaofeng <xiaofeng.ling@intel.com>
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
  *
  *
  *     This program is free software; you can redistribute it and/or modify it
 
 #include "list.h"
 
-#define UDEV_EXEC                      "./udev"
-#define UDEVD_EXEC                     "./udevd"
-#define UDEVD_TIMEOUT_SECONDS          60
-#define EVENT_TIMEOUT_SECONDS          5
+#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 IPC_KEY_ID                     0
-#define HOTPLUGMSGTYPE                 44
+/* 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];
+};
 
 struct hotplug_msg {
-       long mtype;
        struct list_head list;
-       int seqnum;
-       time_t queue_time;
-       char action[8];
-       char devpath[128];
-       char subsystem[16];
+       pid_t pid;
+       long queue_time;
+       char *action;
+       char *devpath;
+       char *subsystem;
+       unsigned long long seqnum;
+       char *physdevpath;
+       char *envp[HOTPLUG_NUM_ENVP+1];
+       char envbuf[];
 };