Changeset d0dd7b5 in mainline for uspace/lib/drv/generic/driver.c

Timestamp:

2011-08-18T20:10:47Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

ef7052ec

Parents:

763e0cd

Message:

Work on device removal:

• properly track service memberships in categories
• implement loc_service_unregister()
• ddf_fun_unbind() (limited to exposed functions for now)

File:

• uspace/lib/drv/generic/driver.c (modified) (2 diffs)

uspace/lib/drv/generic/driver.c

@@ -582 +582 @@
 int ddf_fun_bind(ddf_fun_t *fun)
 {
+        assert(fun->bound == false);
         assert(fun->name != NULL);
         
@@ -596 +597 @@
         fun->bound = true;
         return res;
+}
+
+/** Unbind a function node.
+ *
+ * Unbind the specified function from the system. This effectively makes
+ * the function invisible to the system.
+ *
+ * @param fun           Function to bind
+ * @return              EOK on success or negative error code
+ */
+int ddf_fun_unbind(ddf_fun_t *fun)
+{
+        int res;
+        
+        assert(fun->bound == true);
+        
+        add_to_functions_list(fun);
+        res = devman_remove_function(fun->handle);
+        if (res != EOK)
+                return res;
+
+        remove_from_functions_list(fun);
+        
+        fun->bound = false;
+        return EOK;
 }