src/share/vm/runtime/threadLocalStorage.hpp

Thu, 27 May 2010 19:08:38 -0700

author
trims
date
Thu, 27 May 2010 19:08:38 -0700
changeset 1907
c18cbe5936b8
parent 772
9ee9cf798b59
child 2314
f95d63e2154a
permissions
-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

duke@435 1 /*
trims@1907 2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. 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 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // Interface for thread local storage
duke@435 26
duke@435 27 // Fast variant of ThreadLocalStorage::get_thread_slow
duke@435 28 extern "C" Thread* get_thread();
duke@435 29
duke@435 30 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
duke@435 31 extern "C" uintptr_t _raw_thread_id();
duke@435 32
duke@435 33 class ThreadLocalStorage : AllStatic {
duke@435 34 public:
duke@435 35 static void set_thread(Thread* thread);
duke@435 36 static Thread* get_thread_slow();
duke@435 37 static void invalidate_all() { pd_invalidate_all(); }
duke@435 38
duke@435 39 // Machine dependent stuff
duke@435 40 #include "incls/_threadLS_pd.hpp.incl"
duke@435 41
duke@435 42 public:
duke@435 43 // Accessor
duke@435 44 static inline int thread_index() { return _thread_index; }
duke@435 45 static inline void set_thread_index(int index) { _thread_index = index; }
duke@435 46
duke@435 47 // Initialization
duke@435 48 // Called explicitly from VMThread::activate_system instead of init_globals.
duke@435 49 static void init();
kamg@677 50 static bool is_initialized();
duke@435 51
duke@435 52 private:
duke@435 53 static int _thread_index;
duke@435 54
duke@435 55 static void generate_code_for_get_thread();
duke@435 56
duke@435 57 // Processor dependent parts of set_thread and initialization
duke@435 58 static void pd_set_thread(Thread* thread);
duke@435 59 static void pd_init();
duke@435 60 // Invalidate any thread cacheing or optimization schemes.
duke@435 61 static void pd_invalidate_all();
duke@435 62
duke@435 63 };

mercurial