Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/threadLocalStorage.cpp @ 7168:73e64867adb7
8003690: Example code in JVMTI GetStackTrace documentation is broken
Summary: Fixed to minor errors in example code
Reviewed-by: sspitsyn, dholmes
author | mikael |
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date | Wed, 21 Nov 2012 09:02:13 -0800 |
parents | f08d439fab8c |
children | f34d701e952e |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "runtime/threadLocalStorage.hpp" | |
27 #ifdef TARGET_OS_FAMILY_linux | |
28 # include "os_linux.inline.hpp" | |
29 # include "thread_linux.inline.hpp" | |
30 #endif | |
31 #ifdef TARGET_OS_FAMILY_solaris | |
32 # include "os_solaris.inline.hpp" | |
33 # include "thread_solaris.inline.hpp" | |
34 #endif | |
35 #ifdef TARGET_OS_FAMILY_windows | |
36 # include "os_windows.inline.hpp" | |
37 # include "thread_windows.inline.hpp" | |
38 #endif | |
3960 | 39 #ifdef TARGET_OS_FAMILY_bsd |
40 # include "os_bsd.inline.hpp" | |
41 # include "thread_bsd.inline.hpp" | |
42 #endif | |
0 | 43 |
44 // static member initialization | |
45 int ThreadLocalStorage::_thread_index = -1; | |
46 | |
47 Thread* ThreadLocalStorage::get_thread_slow() { | |
48 return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index()); | |
49 } | |
50 | |
51 void ThreadLocalStorage::set_thread(Thread* thread) { | |
52 pd_set_thread(thread); | |
53 | |
54 // The following ensure that any optimization tricks we have tried | |
55 // did not backfire on us: | |
56 guarantee(get_thread() == thread, "must be the same thread, quickly"); | |
57 guarantee(get_thread_slow() == thread, "must be the same thread, slowly"); | |
58 } | |
59 | |
60 void ThreadLocalStorage::init() { | |
242 | 61 assert(!is_initialized(), |
62 "More than one attempt to initialize threadLocalStorage"); | |
0 | 63 pd_init(); |
64 set_thread_index(os::allocate_thread_local_storage()); | |
65 generate_code_for_get_thread(); | |
66 } | |
242 | 67 |
68 bool ThreadLocalStorage::is_initialized() { | |
69 return (thread_index() != -1); | |
70 } |