--- /dev/null
+++ Libc/Libc-262/mach/port_obj.c
@@ -0,0 +1,29 @@
+/*
+ * @OSF_COPYRIGHT@
+ */
+
+/*
+ * Define a service to map from a kernel-generated port name
+ * to server-defined "type" and "value" data to be associated
+ * with the port.
+ */
+#include <mach/port_obj.h>
+#include <mach/mach.h>
+
+#define DEFAULT_TABLE_SIZE	(64 * 1024)
+
+struct port_obj_tentry *port_obj_table;
+int port_obj_table_size = DEFAULT_TABLE_SIZE;
+
+void port_obj_init(
+	int maxsize)
+{
+	kern_return_t kr;
+
+	kr = vm_allocate(mach_task_self(),
+		(vm_offset_t *)&port_obj_table,
+		(vm_size_t)(maxsize * sizeof (*port_obj_table)),
+		TRUE);
+	if (kr != KERN_SUCCESS)
+		panic("port_obj_init: can't vm_allocate");
+}