Mercurial > hg > truffle
view src/share/vm/oops/oopsHierarchy.cpp @ 17965:4a1062dc52d1
8036823: Stack trace sometimes shows 'locked' instead of 'waiting to lock'
Summary: Add a !owner check for 'waiting to lock' to catch current_pending_monitor corner cases.
Reviewed-by: dholmes, sspitsyn, kmo, zgu
Contributed-by: rednaxelafx@gmail.com, zhengyu.gu@oracle.com, daniel.daugherty@oracle.com
author | dcubed |
---|---|
date | Wed, 04 Jun 2014 06:25:53 -0700 |
parents | f34d701e952e |
children |
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/* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "gc_interface/collectedHeap.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "oops/oopsHierarchy.hpp" #include "runtime/thread.inline.hpp" #include "utilities/globalDefinitions.hpp" #ifdef CHECK_UNHANDLED_OOPS void oop::register_oop() { assert (CheckUnhandledOops, "should only call when CheckUnhandledOops"); if (!Universe::is_fully_initialized()) return; // This gets expensive, which is why checking unhandled oops is on a switch. Thread* t = ThreadLocalStorage::thread(); if (t != NULL && t->is_Java_thread()) { frame fr = os::current_frame(); // This points to the oop creator, I guess current frame points to caller assert (fr.pc(), "should point to a vm frame"); t->unhandled_oops()->register_unhandled_oop(this, fr.pc()); } } void oop::unregister_oop() { assert (CheckUnhandledOops, "should only call when CheckUnhandledOops"); if (!Universe::is_fully_initialized()) return; // This gets expensive, which is why checking unhandled oops is on a switch. Thread* t = ThreadLocalStorage::thread(); if (t != NULL && t->is_Java_thread()) { t->unhandled_oops()->unregister_unhandled_oop(this); } } #endif // CHECK_UNHANDLED_OOPS