jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp@a61af66fc99e

     1 /*

     2  * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any 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 inline void PushOrMarkClosure::remember_klass(Klass* k) {

    41   if (!_revisitStack->push(oop(k))) {

    42     fatal("Revisit stack overflow in PushOrMarkClosure");

    43   }

    44 }

    46 inline void Par_PushOrMarkClosure::remember_klass(Klass* k) {

    47   if (!_revisit_stack->par_push(oop(k))) {

    48     fatal("Revisit stack overflow in PushOrMarkClosure");

    49   }

    50 }

    52 inline void PushOrMarkClosure::do_yield_check() {

    53   _parent->do_yield_check();

    54 }

    56 inline void Par_PushOrMarkClosure::do_yield_check() {

    57   _parent->do_yield_check();

    58 }

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