|
1 /* |
|
2 * Copyright (c) 2000, 2015, 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 */ |
|
24 |
|
25 #ifndef SHARE_VM_GC_SHARED_GCLOCKER_INLINE_HPP |
|
26 #define SHARE_VM_GC_SHARED_GCLOCKER_INLINE_HPP |
|
27 |
|
28 #include "gc/shared/gcLocker.hpp" |
|
29 |
|
30 inline void GCLocker::lock_critical(JavaThread* thread) { |
|
31 if (!thread->in_critical()) { |
|
32 if (needs_gc()) { |
|
33 // jni_lock call calls enter_critical under the lock so that the |
|
34 // global lock count and per thread count are in agreement. |
|
35 jni_lock(thread); |
|
36 return; |
|
37 } |
|
38 increment_debug_jni_lock_count(); |
|
39 } |
|
40 thread->enter_critical(); |
|
41 } |
|
42 |
|
43 inline void GCLocker::unlock_critical(JavaThread* thread) { |
|
44 if (thread->in_last_critical()) { |
|
45 if (needs_gc()) { |
|
46 // jni_unlock call calls exit_critical under the lock so that |
|
47 // the global lock count and per thread count are in agreement. |
|
48 jni_unlock(thread); |
|
49 return; |
|
50 } |
|
51 decrement_debug_jni_lock_count(); |
|
52 } |
|
53 thread->exit_critical(); |
|
54 } |
|
55 |
|
56 #endif // SHARE_VM_GC_SHARED_GCLOCKER_INLINE_HPP |