@@ -514,10 +514,15 @@
 	if ((ret = lseek(fd, offset, SEEK_END)) == -1)
 		@throw [OFSeekFailedException newWithClass: isa];
 
 	return ret;
 }
+
+- (int)fileDescriptor
+{
+	return fd;
+}
 
 - (void)close
 {
 	if (fd != -1)
 		close(fd);