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57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
/*
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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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#ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
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#error "This file should only be included from thread.inline.hpp"
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#endif
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#include "runtime/thread.hpp"
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#include "runtime/threadLocalStorage.hpp"
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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
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