src/os/linux/vm/osThread_linux.hpp

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rev 4773 : 8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>

*** 1,7 **** /* ! * Copyright (c) 1999, 2012, 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. --- 1,7 ---- /* ! * Copyright (c) 1999, 2013, 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.
*** 75,85 **** public: // flags that support signal based suspend/resume on Linux are in a // separate class to avoid confusion with many flags in OSThread that // are used by VM level suspend/resume. ! os::Linux::SuspendResume sr; // _ucontext and _siginfo are used by SR_handler() to save thread context, // and they will later be used to walk the stack or reposition thread PC. // If the thread is not suspended in SR_handler() (e.g. self suspend), // the value in _ucontext is meaningless, so we must use the last Java --- 75,85 ---- public: // flags that support signal based suspend/resume on Linux are in a // separate class to avoid confusion with many flags in OSThread that // are used by VM level suspend/resume. ! os::SuspendResume sr; // _ucontext and _siginfo are used by SR_handler() to save thread context, // and they will later be used to walk the stack or reposition thread PC. // If the thread is not suspended in SR_handler() (e.g. self suspend), // the value in _ucontext is meaningless, so we must use the last Java