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 9be581d..1c4b1b8 100644 (file)
--- a/udevd.h
+++ b/udevd.h
 
 #define UDEV_MAGIC                     "udevd_" UDEV_VERSION
 #define EVENT_TIMEOUT_SEC              10
-#define UDEVSEND_CONNECT_RETRY         20 /* x 100 millisec */
 #define UDEVD_SOCK_PATH                        "udevd"
+#define SEND_WAIT_MAX_SECONDS          3
+#define SEND_WAIT_LOOP_PER_SECOND      10
 
-struct hotplug_msg {
+/* 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 {
        struct list_head list;
        pid_t pid;
-       unsigned long long seqnum;
        long queue_time;
-       char action[ACTION_SIZE];
-       char devpath[DEVPATH_SIZE];
-       char subsystem[SUBSYSTEM_SIZE];
+       char *action;
+       char *devpath;
+       char *subsystem;
+       unsigned long long seqnum;
+       char *physdevpath;
+       char *envp[HOTPLUG_NUM_ENVP+1];
+       char envbuf[];
 };