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8134642: ParkEvent::RawThreadIdentity appears to be unused and should be removed

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Reviewed-by: dcubed, hseigel
This commit is contained in:
David Holmes 2015-10-25 19:19:55 -04:00
parent cb0500e51d
commit c6b692b946
1 changed files with 1 additions and 12 deletions
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13
hotspot/src/share/vm/runtime/park.hpp
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -121,22 +121,13 @@ class ParkEvent : public os::PlatformEvent {
// Current association // Current association
Thread * AssociatedWith ; Thread * AssociatedWith ;
intptr_t RawThreadIdentity ; // LWPID etc
volatile int Incarnation ;
// diagnostic : keep track of last thread to wake this thread.
// this is useful for construction of dependency graphs.
void * LastWaker ;
public: public:
// MCS-CLH list linkage and Native Mutex/Monitor // MCS-CLH list linkage and Native Mutex/Monitor
ParkEvent * volatile ListNext ; ParkEvent * volatile ListNext ;
ParkEvent * volatile ListPrev ;
volatile intptr_t OnList ; volatile intptr_t OnList ;
volatile int TState ; volatile int TState ;
volatile int Notified ; // for native monitor construct volatile int Notified ; // for native monitor construct
volatile int IsWaiting ; // Enqueued on WaitSet
private: private:
static ParkEvent * volatile FreeList ; static ParkEvent * volatile FreeList ;
@ -155,11 +146,9 @@ class ParkEvent : public os::PlatformEvent {
AssociatedWith = NULL ; AssociatedWith = NULL ;
FreeNext = NULL ; FreeNext = NULL ;
ListNext = NULL ; ListNext = NULL ;
ListPrev = NULL ;
OnList = 0 ; OnList = 0 ;
TState = 0 ; TState = 0 ;
Notified = 0 ; Notified = 0 ;
IsWaiting = 0 ;
} }
// We use placement-new to force ParkEvent instances to be // We use placement-new to force ParkEvent instances to be