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8210832: Remove sneaky locking in class Monitor

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Removed sneaky locking and simplified vm monitors implementation

Co-authored-by: David Holmes <david.holmes@oracle.com>
Reviewed-by: rehn, dcubed, pliden, dholmes, coleenp
This commit is contained in:
Patricio Chilano Mateo 2019-02-05 15:12:13 -05:00
parent cd9b1aabb0
commit c94cdddbdd
17 changed files with 509 additions and 1157 deletions
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3
src/hotspot/share/runtime/thread.hpp
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@ -782,7 +782,6 @@ protected:
volatile int _TypeTag;
ParkEvent * _ParkEvent; // for synchronized()
ParkEvent * _SleepEvent; // for Thread.sleep
ParkEvent * _MutexEvent; // for native internal Mutex/Monitor
ParkEvent * _MuxEvent; // for low-level muxAcquire-muxRelease
int NativeSyncRecursion; // diagnostic
@ -792,8 +791,6 @@ protected:
jint _hashStateY;
jint _hashStateZ;
volatile jint rng[4]; // RNG for spin loop
// Low-level leaf-lock primitives used to implement synchronization
// and native monitor-mutex infrastructure.
// Not for general synchronization use.