src/share/vm/memory/resourceArea.cpp

Mon, 23 Jun 2008 16:49:37 -0700

author
ysr
date
Mon, 23 Jun 2008 16:49:37 -0700
changeset 782
60fb9c4db4e6
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6718086: CMS assert: _concurrent_iteration_safe_limit update missed
Summary: Initialize the field correctly in ContiguousSpace's constructor and initialize() methods, using the latter for the survivor spaces upon initial construction or a subsequent resizing of the young generation. Add some missing Space sub-class constructors.
Reviewed-by: apetrusenko

duke@435 1 /*
duke@435 2 * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 # include "incls/_precompiled.incl"
duke@435 26 # include "incls/_resourceArea.cpp.incl"
duke@435 27
duke@435 28 //------------------------------ResourceMark-----------------------------------
duke@435 29 debug_only(int ResourceArea::_warned;) // to suppress multiple warnings
duke@435 30
duke@435 31 // The following routines are declared in allocation.hpp and used everywhere:
duke@435 32
duke@435 33 // Allocation in thread-local resource area
duke@435 34 extern char* resource_allocate_bytes(size_t size) {
duke@435 35 return Thread::current()->resource_area()->allocate_bytes(size);
duke@435 36 }
duke@435 37 extern char* resource_allocate_bytes(Thread* thread, size_t size) {
duke@435 38 return thread->resource_area()->allocate_bytes(size);
duke@435 39 }
duke@435 40
duke@435 41 extern char* resource_reallocate_bytes( char *old, size_t old_size, size_t new_size){
duke@435 42 return (char*)Thread::current()->resource_area()->Arealloc(old, old_size, new_size);
duke@435 43 }
duke@435 44
duke@435 45 extern void resource_free_bytes( char *old, size_t size ) {
duke@435 46 Thread::current()->resource_area()->Afree(old, size);
duke@435 47 }
duke@435 48
duke@435 49 #ifdef ASSERT
duke@435 50 ResourceMark::ResourceMark(Thread *thread) {
duke@435 51 assert(thread == Thread::current(), "not the current thread");
duke@435 52 initialize(thread);
duke@435 53 }
duke@435 54
duke@435 55 DeoptResourceMark::DeoptResourceMark(Thread *thread) {
duke@435 56 assert(thread == Thread::current(), "not the current thread");
duke@435 57 initialize(thread);
duke@435 58 }
duke@435 59 #endif
duke@435 60
duke@435 61
duke@435 62 //-------------------------------------------------------------------------------
duke@435 63 // Non-product code
duke@435 64 #ifndef PRODUCT
duke@435 65
duke@435 66 void ResourceMark::free_malloced_objects() {
duke@435 67 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
duke@435 68 }
duke@435 69
duke@435 70 void DeoptResourceMark::free_malloced_objects() {
duke@435 71 Arena::free_malloced_objects(_chunk, _hwm, _max, _area->_hwm);
duke@435 72 }
duke@435 73
duke@435 74 #endif

mercurial