Changes in uspace/drv/usbhub/usbhub.h [7d521e24:af6136d] in mainline

File:

• uspace/drv/usbhub/usbhub.h (modified) (2 diffs)

uspace/drv/usbhub/usbhub.h

@@ -61 +61 @@
         usb_hub_port_t *ports;
 
+        fibril_mutex_t port_mutex;
+
         /** connection to hcd */
         usb_hc_connection_t connection;
@@ -89 +91 @@
         /** generic usb device data*/
         usb_device_t * usb_device;
+
+        /** Number of pending operations on the mutex to prevent shooting
+         * ourselves in the foot.
+         * When the hub is disconnected but we are in the middle of some
+         * operation, we cannot destroy this structure right away because
+         * the pending operation might use it.
+         */
+        size_t pending_ops_count;
+        /** Guard for pending_ops_count. */
+        fibril_mutex_t pending_ops_mutex;
+        /** Condition variable for pending_ops_count. */
+        fibril_condvar_t pending_ops_cv;
+
 };