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-rw-r--r--include/libimobiledevice/libimobiledevice.h36
1 files changed, 34 insertions, 2 deletions
diff --git a/include/libimobiledevice/libimobiledevice.h b/include/libimobiledevice/libimobiledevice.h
index c3b87cd..6851145 100644
--- a/include/libimobiledevice/libimobiledevice.h
+++ b/include/libimobiledevice/libimobiledevice.h
@@ -94,6 +94,9 @@ typedef struct {
/** Callback to notifiy if a device was added or removed. */
typedef void (*idevice_event_cb_t) (const idevice_event_t *event, void *user_data);
+/** Event subscription context type */
+typedef struct idevice_subscription_context* idevice_subscription_context_t;
+
/* functions */
/**
@@ -104,9 +107,36 @@ typedef void (*idevice_event_cb_t) (const idevice_event_t *event, void *user_dat
void idevice_set_debug_level(int level);
/**
- * Register a callback function that will be called when device add/remove
+ * Subscribe a callback function that will be called when device add/remove
* events occur.
*
+ * @param context A pointer to a idevice_subscription_context_t that will be
+ * set upon creation of the subscription. The returned context must be
+ * passed to idevice_events_unsubscribe() to unsubscribe the callback.
+ * @param callback Callback function to call.
+ * @param user_data Application-specific data passed as parameter
+ * to the registered callback function.
+ *
+ * @return IDEVICE_E_SUCCESS on success or an error value when an error occurred.
+ */
+idevice_error_t idevice_events_subscribe(idevice_subscription_context_t *context, idevice_event_cb_t callback, void *user_data);
+
+/**
+ * Unsubscribe the event callback function that has been registered with
+ * idevice_events_subscribe().
+ *
+ * @param context A valid context as returned from idevice_events_subscribe().
+ *
+ * @return IDEVICE_E_SUCCESS on success or an error value when an error occurred.
+ */
+idevice_error_t idevice_events_unsubscribe(idevice_subscription_context_t context);
+
+/**
+ * (DEPRECATED) Register a callback function that will be called when device add/remove
+ * events occur.
+ *
+ * @deprecated Use idevice_events_subscribe() instead.
+ *
* @param callback Callback function to call.
* @param user_data Application-specific data passed as parameter
* to the registered callback function.
@@ -116,9 +146,11 @@ void idevice_set_debug_level(int level);
idevice_error_t idevice_event_subscribe(idevice_event_cb_t callback, void *user_data);
/**
- * Release the event callback function that has been registered with
+ * (DEPRECATED) Release the event callback function that has been registered with
* idevice_event_subscribe().
*
+ * @deprecated Use idevice_events_unsubscribe() instead.
+ *
* @return IDEVICE_E_SUCCESS on success or an error value when an error occurred.
*/
idevice_error_t idevice_event_unsubscribe(void);