1 files changed, 10 insertions, 0 deletions
diff --git a/hald/device.h b/hald/device.h
index 5dd11f57..1942e2f2 100644
--- a/hald/device.h
+++ b/hald/device.h
@@ -53,6 +53,14 @@ struct _HalDeviceClass {
 
 	void (*capability_added) (HalDevice *device,
 				  const char *capability);
+
+	void (*lock_acquired) (HalDevice *device,
+                               const char *lock_name,
+                               const char *lock_owner);
+
+	void (*lock_released) (HalDevice *device,
+                               const char *lock_name,
+                               const char *lock_owner);
 };
 
 #define HAL_TYPE_DEVICE             (hal_device_get_type ())
@@ -212,6 +220,8 @@ gboolean      hal_device_release_lock (HalDevice *device, const char *lock_name,
 
 char        **hal_device_get_lock_holders (HalDevice *device, const char *lock_name);
 
+int           hal_device_get_num_lock_holders (HalDevice *device, const char *lock_name);
+
 /* static method */
 void          hal_device_client_disconnected (const char *sender);