X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=c60fb139c074ddbcc7c31921920ec8debf5e76e5;hp=4bccd4b81a75e14cd7c46a90c0e6ce18bc303925;hb=831139235ea7dbacddbd1e6ce94ce7e958afea10;hpb=35b7d88c0dab4c1104c127ddd644db22307949c9

diff --git a/udevd.h b/udevd.h
index 4bccd4b81..c60fb139c 100644
--- 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
@@ -23,21 +24,60 @@
 
 #include "list.h"
 
-#define FIRST_EVENT_TIMEOUT_SEC		1
-#define EVENT_TIMEOUT_SEC		5
-#define UDEVSEND_RETRY_COUNT		50 /* x 10 millisec */
+#define UDEV_MAGIC			"udevd_" UDEV_VERSION
+#define UDEVD_SOCK_PATH			"udevd"
+#define UDEVSEND_WAIT_MAX_SECONDS	3
+#define UDEVSEND_WAIT_LOOP_PER_SECOND	10
 
-#define IPC_KEY_ID			1
-#define HOTPLUGMSGTYPE			44
+#define UDEVD_PRIORITY			-4
+#define UDEV_PRIORITY			-2
 
+/* duration of initialization phase with shorter timeout */
+#define UDEVD_INIT_TIME			5
+#define UDEVD_INIT_EVENT_TIMEOUT	2
 
-struct hotplug_msg {
-	long mtype;
-	struct list_head list;
+/* timeout to wait for missing events */
+#define UDEVD_EVENT_TIMEOUT		5
+
+/* maximum limit of runnig 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	8
+
+/* environment buffer, should match the kernel's size in lib/kobject_uevent.h */
+#define UEVENT_BUFFER_SIZE		1024
+#define UEVENT_NUM_ENVP			32
+
+enum udevd_msg_type {
+	UDEVD_UNKNOWN,
+	UDEVD_UEVENT_UDEVSEND,
+	UDEVD_UEVENT_INITSEND,
+	UDEVD_UEVENT_NETLINK,
+	UDEVD_STOP_EXEC_QUEUE,
+	UDEVD_START_EXEC_QUEUE,
+	UDEVD_SET_LOG_LEVEL,
+	UDEVD_SET_MAX_CHILDS,
+};
+
+
+struct udevd_msg {
+	char magic[32];
+	enum udevd_msg_type type;
+	char envbuf[UEVENT_BUFFER_SIZE+512];
+};
+
+struct uevent_msg {
+	enum udevd_msg_type type;
+	struct list_head node;
 	pid_t pid;
-	int seqnum;
-	time_t queue_time;
-	char action[8];
-	char devpath[128];
-	char subsystem[16];
+	long queue_time;
+	char *action;
+	char *devpath;
+	char *subsystem;
+	dev_t devt;
+	unsigned long long seqnum;
+	char *physdevpath;
+	unsigned int timeout;
+	char *envp[UEVENT_NUM_ENVP+1];
+	char envbuf[];
 };