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comparison src/os/solaris/vm/thread_solaris.inline.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // Thread::current is "hot" it's called > 128K times in the 1st 500 msecs of
26 // startup.
27 // ThreadLocalStorage::thread is warm -- it's called > 16K times in the same
28 // period. Thread::current() now calls ThreadLocalStorage::thread() directly.
29 // For SPARC, to avoid excessive register window spill-fill faults,
30 // we aggressively inline these routines.
31
32 inline Thread* ThreadLocalStorage::thread() {
33 // don't use specialized code if +UseMallocOnly -- may confuse Purify et al.
34 debug_only(if (UseMallocOnly) return get_thread_slow(););
35
36 uintptr_t raw = pd_raw_thread_id();
37 int ix = pd_cache_index(raw);
38 Thread *Candidate = ThreadLocalStorage::_get_thread_cache[ix];
39 if (Candidate->_self_raw_id == raw) {
40 // hit
41 return Candidate;
42 } else {
43 return ThreadLocalStorage::get_thread_via_cache_slowly(raw, ix);
44 }
45 }