src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp

Thu, 27 May 2010 19:08:38 -0700

author
trims
date
Thu, 27 May 2010 19:08:38 -0700
changeset 1907
c18cbe5936b8
parent 1376
8b46c4d82093
child 2314
f95d63e2154a
permissions
-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

     1 /*
     2  * Copyright (c) 2007, 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 // Trim our work_queue so its length is below max at return
    26 inline void Par_MarkRefsIntoAndScanClosure::trim_queue(uint max) {
    27   while (_work_queue->size() > max) {
    28     oop newOop;
    29     if (_work_queue->pop_local(newOop)) {
    30       assert(newOop->is_oop(), "Expected an oop");
    31       assert(_bit_map->isMarked((HeapWord*)newOop),
    32              "only grey objects on this stack");
    33       // iterate over the oops in this oop, marking and pushing
    34       // the ones in CMS heap (i.e. in _span).
    35       newOop->oop_iterate(&_par_pushAndMarkClosure);
    36     }
    37   }
    38 }
    40 #ifndef PRODUCT
    41 void KlassRememberingOopClosure::check_remember_klasses() const {
    42   assert(_should_remember_klasses == must_remember_klasses(),
    43     "Should remember klasses in this context.");
    44 }
    45 #endif
    47 void KlassRememberingOopClosure::remember_klass(Klass* k) {
    48   if (!_revisit_stack->push(oop(k))) {
    49     fatal("Revisit stack overflow in PushOrMarkClosure");
    50   }
    51   check_remember_klasses();
    52 }
    54 inline void PushOrMarkClosure::remember_mdo(DataLayout* v) {
    55   // TBD
    56 }
    59 void Par_KlassRememberingOopClosure::remember_klass(Klass* k) {
    60   if (!_revisit_stack->par_push(oop(k))) {
    61     fatal("Revisit stack overflow in Par_KlassRememberingOopClosure");
    62   }
    63   check_remember_klasses();
    64 }
    66 inline void Par_PushOrMarkClosure::remember_mdo(DataLayout* v) {
    67   // TBD
    68 }
    70 inline void PushOrMarkClosure::do_yield_check() {
    71   _parent->do_yield_check();
    72 }
    74 inline void Par_PushOrMarkClosure::do_yield_check() {
    75   _parent->do_yield_check();
    76 }

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