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 */ 24 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" 30 31 //------------------------------ResourceMark----------------------------------- 32 debug_only(int ResourceArea::_warned;) // to suppress multiple warnings 33 34 // The following routines are declared in allocation.hpp and used everywhere: 35 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 } 43 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 } 47 48 extern void resource_free_bytes( char *old, size_t size ) { 49 Thread::current()->resource_area()->Afree(old, size); 50 } 51 52 #ifdef ASSERT 53 ResourceMark::ResourceMark(Thread *thread) { 54 assert(thread == Thread::current(), "not the current thread"); 55 initialize(thread); 56 } 57 58 DeoptResourceMark::DeoptResourceMark(Thread *thread) { 59 assert(thread == Thread::current(), "not the current thread"); 60 initialize(thread); 61 } 62 #endif 63 64 65 //------------------------------------------------------------------------------- 66 // Non-product code 67 #ifndef PRODUCT 68 69 void ResourceMark::free_malloced_objects() { 70 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm); 71 } 72 73 void DeoptResourceMark::free_malloced_objects() { 74 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm); 75 } 76 77 #endif