hotspot/src/os/solaris/vm/thread_solaris.inline.hpp
author ysr
Thu, 21 Apr 2011 01:16:20 -0700
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Merge
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/*
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 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
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#define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
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#include "runtime/atomic.hpp"
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#include "runtime/prefetch.hpp"
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#include "runtime/thread.hpp"
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#include "runtime/threadLocalStorage.hpp"
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#ifdef TARGET_OS_ARCH_solaris_x86
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# include "atomic_solaris_x86.inline.hpp"
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# include "orderAccess_solaris_x86.inline.hpp"
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# include "prefetch_solaris_x86.inline.hpp"
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#endif
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#ifdef TARGET_OS_ARCH_solaris_sparc
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# include "atomic_solaris_sparc.inline.hpp"
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# include "orderAccess_solaris_sparc.inline.hpp"
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# include "prefetch_solaris_sparc.inline.hpp"
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#endif
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// Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
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// startup.
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// ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
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// period.   Thread::current() now calls ThreadLocalStorage::thread() directly.
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// For SPARC, to avoid excessive register window spill-fill faults,
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// we aggressively inline these routines.
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inline Thread* ThreadLocalStorage::thread()  {
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  // don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
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  debug_only(if (UseMallocOnly) return get_thread_slow(););
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  uintptr_t raw = pd_raw_thread_id();
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  int ix = pd_cache_index(raw);
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  Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix];
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  if (candidate->self_raw_id() == raw) {
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    // hit
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    return candidate;
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  } else {
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    return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
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  }
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}
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#endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP