1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/memory/resourceArea.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,77 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "memory/allocation.inline.hpp"
1.30 +#include "memory/resourceArea.hpp"
1.31 +#include "runtime/mutexLocker.hpp"
1.32 +#include "runtime/thread.inline.hpp"
1.33 +
1.34 +//------------------------------ResourceMark-----------------------------------
1.35 +debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
1.36 +
1.37 +// The following routines are declared in allocation.hpp and used everywhere:
1.38 +
1.39 +// Allocation in thread-local resource area
1.40 +extern char* resource_allocate_bytes(size_t size, AllocFailType alloc_failmode) {
1.41 + return Thread::current()->resource_area()->allocate_bytes(size, alloc_failmode);
1.42 +}
1.43 +extern char* resource_allocate_bytes(Thread* thread, size_t size, AllocFailType alloc_failmode) {
1.44 + return thread->resource_area()->allocate_bytes(size, alloc_failmode);
1.45 +}
1.46 +
1.47 +extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size, AllocFailType alloc_failmode){
1.48 + return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size, alloc_failmode);
1.49 +}
1.50 +
1.51 +extern void resource_free_bytes( char *old, size_t size ) {
1.52 + Thread::current()->resource_area()->Afree(old, size);
1.53 +}
1.54 +
1.55 +#ifdef ASSERT
1.56 +ResourceMark::ResourceMark(Thread *thread) {
1.57 + assert(thread == Thread::current(), "not the current thread");
1.58 + initialize(thread);
1.59 +}
1.60 +
1.61 +DeoptResourceMark::DeoptResourceMark(Thread *thread) {
1.62 + assert(thread == Thread::current(), "not the current thread");
1.63 + initialize(thread);
1.64 +}
1.65 +#endif
1.66 +
1.67 +
1.68 +//-------------------------------------------------------------------------------
1.69 +// Non-product code
1.70 +#ifndef PRODUCT
1.71 +
1.72 +void ResourceMark::free_malloced_objects() {
1.73 + Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
1.74 +}
1.75 +
1.76 +void DeoptResourceMark::free_malloced_objects() {
1.77 + Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
1.78 +}
1.79 +
1.80 +#endif
