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src/os/solaris/vm/thread_solaris.inline.hpp@f90c822e73f8 (annotated)

src/os/solaris/vm/thread_solaris.inline.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#ifndef OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
aoqi@0	26	#define OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP
aoqi@0	27
aoqi@0	28	#ifndef SHARE_VM_RUNTIME_THREAD_INLINE_HPP_SCOPE
aoqi@0	29	#error "This file should only be included from thread.inline.hpp"
aoqi@0	30	#endif
aoqi@0	31
aoqi@0	32	#include "runtime/atomic.hpp"
aoqi@0	33	#include "runtime/prefetch.hpp"
aoqi@0	34	#include "runtime/thread.hpp"
aoqi@0	35	#include "runtime/threadLocalStorage.hpp"
aoqi@0	36	#ifdef TARGET_OS_ARCH_solaris_x86
aoqi@0	37	# include "atomic_solaris_x86.inline.hpp"
aoqi@0	38	# include "orderAccess_solaris_x86.inline.hpp"
aoqi@0	39	# include "prefetch_solaris_x86.inline.hpp"
aoqi@0	40	#endif
aoqi@0	41	#ifdef TARGET_OS_ARCH_solaris_sparc
aoqi@0	42	# include "atomic_solaris_sparc.inline.hpp"
aoqi@0	43	# include "orderAccess_solaris_sparc.inline.hpp"
aoqi@0	44	# include "prefetch_solaris_sparc.inline.hpp"
aoqi@0	45	#endif
aoqi@0	46
aoqi@0	47	// Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
aoqi@0	48	// startup.
aoqi@0	49	// ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
aoqi@0	50	// period. Thread::current() now calls ThreadLocalStorage::thread() directly.
aoqi@0	51	// For SPARC, to avoid excessive register window spill-fill faults,
aoqi@0	52	// we aggressively inline these routines.
aoqi@0	53
aoqi@0	54	inline Thread* ThreadLocalStorage::thread() {
aoqi@0	55	// don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
aoqi@0	56	debug_only(if (UseMallocOnly) return get_thread_slow(););
aoqi@0	57
aoqi@0	58	uintptr_t raw = pd_raw_thread_id();
aoqi@0	59	int ix = pd_cache_index(raw);
aoqi@0	60	Thread* candidate = ThreadLocalStorage::_get_thread_cache[ix];
aoqi@0	61	if (candidate->self_raw_id() == raw) {
aoqi@0	62	// hit
aoqi@0	63	return candidate;
aoqi@0	64	} else {
aoqi@0	65	return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
aoqi@0	66	}
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	#endif // OS_SOLARIS_VM_THREAD_SOLARIS_INLINE_HPP