Changeset fc8c2b6 in mainline for uspace/srv/devman/main.c

Timestamp:

2011-03-30T14:26:13Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

e72fb34

Parents:

3fddb55

Message:

devman can tell device handle by its class path

File:

• uspace/srv/devman/main.c (modified) (2 diffs)

uspace/srv/devman/main.c

@@ -448 +448 @@
 }
 
+/** Find handle for the device instance identified by device class name. */
+static void devman_function_get_handle_by_class(ipc_callid_t iid,
+    ipc_call_t *icall)
+{
+        char *classname;
+        char *devname;
+
+        int rc = async_data_write_accept((void **) &classname, true, 0, 0, 0, 0);
+        if (rc != EOK) {
+                async_answer_0(iid, rc);
+                return;
+        }
+        rc = async_data_write_accept((void **) &devname, true, 0, 0, 0, 0);
+        if (rc != EOK) {
+                free(classname);
+                async_answer_0(iid, rc);
+                return;
+        }
+
+
+        fun_node_t *fun = find_fun_node_by_class(&class_list,
+            classname, devname);
+
+        free(classname);
+        free(devname);
+
+        if (fun == NULL) {
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+
+        async_answer_1(iid, EOK, fun->handle);
+}
+
 
 /** Function for handling connections from a client to the device manager. */
@@ -466 +500 @@
                 case DEVMAN_DEVICE_GET_HANDLE:
                         devman_function_get_handle(callid, &call);
+                        break;
+                case DEVMAN_DEVICE_GET_HANDLE_BY_CLASS:
+                        devman_function_get_handle_by_class(callid, &call);
                         break;
                 default: