63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
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/*
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* Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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// Interface for thread local storage
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// Fast variant of ThreadLocalStorage::get_thread_slow
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extern "C" Thread* get_thread();
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// Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
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extern "C" uintptr_t _raw_thread_id();
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class ThreadLocalStorage : AllStatic {
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public:
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static void set_thread(Thread* thread);
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static Thread* get_thread_slow();
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static void invalidate_all() { pd_invalidate_all(); }
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// Machine dependent stuff
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#include "incls/_threadLS_pd.hpp.incl"
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public:
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// Accessor
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static inline int thread_index() { return _thread_index; }
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static inline void set_thread_index(int index) { _thread_index = index; }
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// Initialization
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// Called explicitly from VMThread::activate_system instead of init_globals.
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static void init();
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private:
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static int _thread_index;
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static void generate_code_for_get_thread();
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// Processor dependent parts of set_thread and initialization
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static void pd_set_thread(Thread* thread);
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static void pd_init();
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// Invalidate any thread cacheing or optimization schemes.
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static void pd_invalidate_all();
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};
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