src/share/vm/runtime/monitorChunk.cpp

Tue, 22 Sep 2009 21:12:37 -0600

author
dcubed
date
Tue, 22 Sep 2009 21:12:37 -0600
changeset 1414
87770dcf831b
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6876794: 4/4 sp07t002 hangs very intermittently
Summary: remove over locking by VMThread on "is thread suspended?" check
Reviewed-by: dholmes, acorn, andrew

duke@435 1 /*
duke@435 2 * Copyright 1997-2000 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/_monitorChunk.cpp.incl"
duke@435 27
duke@435 28 MonitorChunk::MonitorChunk(int number_on_monitors) {
duke@435 29 _number_of_monitors = number_on_monitors;
duke@435 30 _monitors = NEW_C_HEAP_ARRAY(BasicObjectLock, number_on_monitors);
duke@435 31 _next = NULL;
duke@435 32 }
duke@435 33
duke@435 34
duke@435 35 MonitorChunk::~MonitorChunk() {
duke@435 36 FreeHeap(monitors());
duke@435 37 }
duke@435 38
duke@435 39
duke@435 40 void MonitorChunk::oops_do(OopClosure* f) {
duke@435 41 for (int index = 0; index < number_of_monitors(); index++) {
duke@435 42 at(index)->oops_do(f);
duke@435 43 }
duke@435 44 }

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