Thu, 26 Jun 2014 11:36:58 +0200
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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23 */
25 #ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
26 #define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
28 #include "memory/gcLocker.hpp"
30 inline void GC_locker::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 }
43 inline void GC_locker::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 }
56 #endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP