Thu, 13 Jun 2013 22:02:40 -0700
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
Reviewed-by: dholmes, coleenp
Contributed-by: jeremymanson@google.com, calvin.cheung@oracle.com
coleenp@4037 | 1 | /* |
coleenp@4037 | 2 | * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
coleenp@4037 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
coleenp@4037 | 4 | * |
coleenp@4037 | 5 | * This code is free software; you can redistribute it and/or modify it |
coleenp@4037 | 6 | * under the terms of the GNU General Public License version 2 only, as |
coleenp@4037 | 7 | * published by the Free Software Foundation. |
coleenp@4037 | 8 | * |
coleenp@4037 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
coleenp@4037 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
coleenp@4037 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
coleenp@4037 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
coleenp@4037 | 13 | * accompanied this code). |
coleenp@4037 | 14 | * |
coleenp@4037 | 15 | * You should have received a copy of the GNU General Public License version |
coleenp@4037 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
coleenp@4037 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
coleenp@4037 | 18 | * |
coleenp@4037 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
coleenp@4037 | 20 | * or visit www.oracle.com if you need additional information or have any |
coleenp@4037 | 21 | * questions. |
coleenp@4037 | 22 | * |
coleenp@4037 | 23 | */ |
coleenp@4037 | 24 | |
coleenp@4037 | 25 | #include "classfile/classLoaderData.hpp" |
coleenp@4037 | 26 | #include "classfile/javaClasses.hpp" |
coleenp@4037 | 27 | |
stefank@4667 | 28 | inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) { |
stefank@4667 | 29 | if (loader == NULL) { |
stefank@4667 | 30 | return ClassLoaderData::the_null_class_loader_data(); |
stefank@4667 | 31 | } |
stefank@4667 | 32 | return java_lang_ClassLoader::loader_data(loader); |
stefank@4667 | 33 | } |
stefank@4667 | 34 | |
coleenp@4037 | 35 | inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) { |
stefank@4667 | 36 | ClassLoaderData* loader_data = class_loader_data_or_null(loader); |
coleenp@4037 | 37 | assert(loader_data != NULL, "Must be"); |
coleenp@4037 | 38 | return loader_data; |
coleenp@4037 | 39 | } |
coleenp@4037 | 40 | |
coleenp@4037 | 41 | |
coleenp@4304 | 42 | inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) { |
coleenp@4037 | 43 | assert(loader() != NULL,"Must be a class loader"); |
coleenp@4037 | 44 | // Gets the class loader data out of the java/lang/ClassLoader object, if non-null |
coleenp@4037 | 45 | // it's already in the loader_data, so no need to add |
mgerdin@5013 | 46 | ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader()); |
mgerdin@5013 | 47 | if (loader_data) { |
mgerdin@5013 | 48 | return loader_data; |
coleenp@4037 | 49 | } |
mgerdin@5013 | 50 | return ClassLoaderDataGraph::add(loader, false, THREAD); |
coleenp@4037 | 51 | } |