X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevd.h;h=da5f6b94f902558ecc3b01d2660b9e640a2cc0d0;hp=b393a28bf94ad8a55eb646a3d7b7786167450219;hb=1bc33626787f089523192c270790f9f878a4edd7;hpb=4a231017ff6e9f66a685b0d1e4e49dc46645bb40

diff --git a/udevd.h b/udevd.h
index b393a28bf..da5f6b94f 100644
--- 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 +22,59 @@
 #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
+
+/* duration of initialization phase with shorter timeout */
+#define UDEVD_INIT_TIME			5
+#define UDEVD_INIT_EVENT_TIMEOUT	2
+
+/* 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 HOTPLUG_BUFFER_SIZE		1024
-#define HOTPLUG_NUM_ENVP		32
+#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 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;
 	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[];
 };