Mercurial > hg > graal-compiler
annotate src/share/vm/memory/gcLocker.inline.hpp @ 3905:c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
Reviewed-by: twisti, roland, kvn, iveresov
author | never |
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date | Fri, 02 Sep 2011 20:58:21 -0700 |
parents | f95d63e2154a |
children | 1a2723f7ad8e |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2000, 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 * | |
1552
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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 #ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP |
26 #define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP | |
27 | |
28 #include "memory/gcLocker.hpp" | |
29 | |
0 | 30 inline bool GC_locker::is_active() { |
31 return _lock_count > 0 || _jni_lock_count > 0; | |
32 } | |
33 | |
34 inline bool GC_locker::check_active_before_gc() { | |
35 if (is_active()) { | |
36 set_needs_gc(); | |
37 } | |
38 return is_active(); | |
39 } | |
40 | |
41 inline void GC_locker::lock() { | |
42 // cast away volatile | |
43 Atomic::inc(&_lock_count); | |
44 CHECK_UNHANDLED_OOPS_ONLY( | |
45 if (CheckUnhandledOops) { Thread::current()->_gc_locked_out_count++; }) | |
46 assert(Universe::heap() == NULL || | |
47 !Universe::heap()->is_gc_active(), "locking failed"); | |
48 } | |
49 | |
50 inline void GC_locker::unlock() { | |
51 // cast away volatile | |
52 Atomic::dec(&_lock_count); | |
53 CHECK_UNHANDLED_OOPS_ONLY( | |
54 if (CheckUnhandledOops) { Thread::current()->_gc_locked_out_count--; }) | |
55 } | |
56 | |
57 inline void GC_locker::lock_critical(JavaThread* thread) { | |
58 if (!thread->in_critical()) { | |
59 if (!needs_gc()) { | |
60 jni_lock(); | |
61 } else { | |
62 jni_lock_slow(); | |
63 } | |
64 } | |
65 thread->enter_critical(); | |
66 } | |
67 | |
68 inline void GC_locker::unlock_critical(JavaThread* thread) { | |
69 thread->exit_critical(); | |
70 if (!thread->in_critical()) { | |
71 if (!needs_gc()) { | |
72 jni_unlock(); | |
73 } else { | |
74 jni_unlock_slow(); | |
75 } | |
76 } | |
77 } | |
1972 | 78 |
79 #endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP |