Changeset 5bcd5b7 in mainline for uspace/lib/fs/libfs.c

Timestamp:

2013-07-29T14:36:57Z (12 years ago)

Author:

Jiri Zarevucky <zarevucky.jiri@…>

Branches:

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

Children:

4636a60

Parents:

677745a

Message:

Add support for server-side mounts.

File:

• uspace/lib/fs/libfs.c (modified) (2 diffs)

uspace/lib/fs/libfs.c

@@ -259 +259 @@
 }
 
+static void vfs_out_is_empty(ipc_callid_t rid, ipc_call_t *req)
+{
+        service_id_t service_id = (service_id_t) IPC_GET_ARG1(*req);
+        fs_index_t index = (fs_index_t) IPC_GET_ARG2(*req);
+        int rc;
+
+        fs_node_t *node = NULL;
+        rc = libfs_ops->node_get(&node, service_id, index);
+        if (rc != EOK) {
+                async_answer_0(rid, rc);
+        }
+        if (node == NULL) {
+                async_answer_0(rid, EINVAL);
+        }
+        
+        bool children = false;
+        rc = libfs_ops->has_children(&children, node);
+        libfs_ops->node_put(node);
+        
+        if (rc != EOK) {
+                async_answer_0(rid, rc);
+        }
+        async_answer_0(rid, children ? ENOTEMPTY : EOK);
+}
+
 static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)
 {
@@ -322 +347 @@
                 case VFS_OUT_GET_SIZE:
                         vfs_out_get_size(callid, &call);
+                        break;
+                case VFS_OUT_IS_EMPTY:
+                        vfs_out_is_empty(callid, &call);
                         break;
                 default: