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
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "memory/resourceArea.hpp"
28 #include "runtime/mutexLocker.hpp"
29 #include "runtime/thread.inline.hpp"
31 //------------------------------ResourceMark-----------------------------------
32 debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
34 // The following routines are declared in allocation.hpp and used everywhere:
36 // Allocation in thread-local resource area
37 extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {
38 return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);
39 }
40 extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {
41 return thread->resource_area()->allocate_bytes(size, alloc_failmode);
42 }
44 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){
45 return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);
46 }
48 extern void resource_free_bytes( char *old, size_t size ) {
49 Thread::current()->resource_area()->Afree(old, size);
50 }
52 #ifdef ASSERT
53 ResourceMark::ResourceMark(Thread *thread) {
54 assert(thread == Thread::current(), "not the current thread");
55 initialize(thread);
56 }
58 DeoptResourceMark::DeoptResourceMark(Thread *thread) {
59 assert(thread == Thread::current(), "not the current thread");
60 initialize(thread);
61 }
62 #endif
65 //-------------------------------------------------------------------------------
66 // Non-product code
67 #ifndef PRODUCT
69 void ResourceMark::free_malloced_objects() {
70 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
71 }
73 void DeoptResourceMark::free_malloced_objects() {
74 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
75 }
77 #endif