Changeset da2f1c9e in mainline for uspace/lib/usb

Timestamp:

2011-12-14T22:17:56Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

8e3742f9

Parents:

66ee26a

Message:

lilbusb: Add function to clean usb_hc_connection and scream if it needs to do some cleanup.

The warning means that you are missing one of the call to close connection.

Location:

uspace/lib/usb

Files:

• include/usb/hc.h (modified) (1 diff)
• src/hc.c (modified) (1 diff)

uspace/lib/usb/include/usb/hc.h

@@ -80 +80 @@
     const ddf_dev_t *);
 
+void usb_hc_connection_deinitialize(usb_hc_connection_t *);
+
 int usb_hc_connection_open(usb_hc_connection_t *);
 int usb_hc_connection_close(usb_hc_connection_t *);

uspace/lib/usb/src/hc.c

@@ -126 +126 @@
 }
 /*----------------------------------------------------------------------------*/
+void usb_hc_connection_deinitialize(usb_hc_connection_t *connection)
+{
+        assert(connection);
+        fibril_mutex_lock(&connection->guard);
+        if (connection->ref_count != 0) {
+                usb_log_warning("%u stale reference(s) to HC connection.\n",
+                    connection->ref_count);
+                assert(connection->hc_sess);
+                async_hangup(connection->hc_sess);
+                connection->hc_sess = NULL;
+                connection->ref_count = 0;
+        }
+        fibril_mutex_unlock(&connection->guard);
+}
+/*----------------------------------------------------------------------------*/
 /** Open connection to host controller.
  *