udev: handle all events - not only class and block devices

[elogind.git] / udevd.h

diff --git a/udevd.h b/udevd.h
index 657f684e3fb3a861d03f99cde64de1f7bb6e6476..60732fe052d774b796e35926f29fbc757ca04451 100644 (file)
--- a/udevd.h
+++ b/udevd.h
@@ -25,19 +25,53 @@
 #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 UDEVSEND_WAIT_MAX_SECONDS      3
+#define UDEVSEND_WAIT_LOOP_PER_SECOND  10
 
+#define UDEVD_PRIORITY                 -4
+#define UDEV_PRIORITY                  -2
 
-struct hotplug_msg {
-       char magic[20];
-       struct list_head list;
+/* 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 UEVENT_BUFFER_SIZE             1024
+#define UEVENT_NUM_ENVP                        32
+
+enum udevd_msg_type {
+       UDEVD_UNKNOWN,
+       UDEVD_UEVENT,
+       UDEVD_STOP_EXEC_QUEUE,
+       UDEVD_START_EXEC_QUEUE,
+};
+
+
+struct udevd_msg {
+       char magic[32];
+       enum udevd_msg_type type;
+       char envbuf[UEVENT_BUFFER_SIZE+512];
+};
+
+struct uevent_msg {
+       struct list_head node;
        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;
+       unsigned int timeout;
+       char *envp[UEVENT_NUM_ENVP+1];
+       char envbuf[];
 };