Mercurial > hg > graal-jvmci-8
view src/share/vm/gc_implementation/shared/gcId.hpp @ 20646:4e4ebe50c8e3
8062036: ConcurrentMarkThread::slt may be invoked before ConcurrentMarkThread::makeSurrogateLockerThread causing intermittent crashes
Summary: Suppress gc_alot during VM init, improve error for SLT uninitialized.
Reviewed-by: jmasa, brutisso, tschatzl
author | kbarrett |
---|---|
date | Tue, 11 Nov 2014 13:39:00 -0500 |
parents | 0982ec23da03 |
children |
line wrap: on
line source
/* * Copyright (c) 2014, 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. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP #include "memory/allocation.hpp" class GCId VALUE_OBJ_CLASS_SPEC { private: uint _id; GCId(uint id) : _id(id) {} GCId() { } // Unused static uint _next_id; static const uint UNDEFINED = (uint)-1; public: uint id() const { assert(_id != UNDEFINED, "Using undefined GC ID"); return _id; } bool is_undefined() const; static const GCId create(); static const GCId peek(); static const GCId undefined(); }; #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCID_HPP