Mon, 18 Jun 2012 12:29:21 -0700
7176856: add the JRE name to the error log
Reviewed-by: coleenp, jrose, kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
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
39 #ifdef TARGET_OS_FAMILY_bsd
40 # include "os_bsd.inline.hpp"
41 # include "thread_bsd.inline.hpp"
42 #endif
44 // static member initialization
45 int ThreadLocalStorage::_thread_index = -1;
47 Thread* ThreadLocalStorage::get_thread_slow() {
48 return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index());
49 }
51 void ThreadLocalStorage::set_thread(Thread* thread) {
52 pd_set_thread(thread);
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 }
60 void ThreadLocalStorage::init() {
61 assert(!is_initialized(),
62 "More than one attempt to initialize threadLocalStorage");
63 pd_init();
64 set_thread_index(os::allocate_thread_local_storage());
65 generate_code_for_get_thread();
66 }
68 bool ThreadLocalStorage::is_initialized() {
69 return (thread_index() != -1);
70 }