#include "list.h"
#define UDEV_MAGIC "udevd_" UDEV_VERSION
-#define EVENT_TIMEOUT_SEC 5
-#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 {
+#define UDEVD_PRIORITY -4
+#define UDEV_PRIORITY -2
+
+/* duration of initialization phase with shorter timeout */
+#define INIT_TIME_SEC 5
+#define EVENT_INIT_TIMEOUT_SEC 2
+
+/* timeout to wait for missing events */
+#define EVENT_TIMEOUT_SEC 10
+
+/* start to throttle forking if maximum number of running childs in our session is reached */
+#define THROTTLE_MAX_RUNNING_CHILDS 10
+
+/* 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];
- struct list_head list;
+ char envbuf[HOTPLUG_BUFFER_SIZE+256];
+};
+
+struct hotplug_msg {
+ struct list_head node;
pid_t pid;
- int 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[HOTPLUG_NUM_ENVP+1];
+ char envbuf[];
};