Mercurial > hg > graal-compiler
comparison src/os/solaris/vm/thread_solaris.inline.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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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 } |