1.1 --- a/src/share/vm/memory/referencePolicy.hpp Tue Oct 11 10:21:36 2011 +0200
1.2 +++ b/src/share/vm/memory/referencePolicy.hpp Wed Oct 12 10:25:51 2011 -0700
1.3 @@ -1,5 +1,5 @@
1.4 /*
1.5 - * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 *
1.9 * This code is free software; you can redistribute it and/or modify it
1.10 @@ -31,19 +31,27 @@
1.11
1.12 class ReferencePolicy : public CHeapObj {
1.13 public:
1.14 - virtual bool should_clear_reference(oop p) { ShouldNotReachHere(); return true; }
1.15 + virtual bool should_clear_reference(oop p, jlong timestamp_clock) {
1.16 + ShouldNotReachHere();
1.17 + return true;
1.18 + }
1.19 +
1.20 // Capture state (of-the-VM) information needed to evaluate the policy
1.21 virtual void setup() { /* do nothing */ }
1.22 };
1.23
1.24 class NeverClearPolicy : public ReferencePolicy {
1.25 public:
1.26 - bool should_clear_reference(oop p) { return false; }
1.27 + virtual bool should_clear_reference(oop p, jlong timestamp_clock) {
1.28 + return false;
1.29 + }
1.30 };
1.31
1.32 class AlwaysClearPolicy : public ReferencePolicy {
1.33 public:
1.34 - bool should_clear_reference(oop p) { return true; }
1.35 + virtual bool should_clear_reference(oop p, jlong timestamp_clock) {
1.36 + return true;
1.37 + }
1.38 };
1.39
1.40 class LRUCurrentHeapPolicy : public ReferencePolicy {
1.41 @@ -55,7 +63,7 @@
1.42
1.43 // Capture state (of-the-VM) information needed to evaluate the policy
1.44 void setup();
1.45 - bool should_clear_reference(oop p);
1.46 + virtual bool should_clear_reference(oop p, jlong timestamp_clock);
1.47 };
1.48
1.49 class LRUMaxHeapPolicy : public ReferencePolicy {
1.50 @@ -67,7 +75,7 @@
1.51
1.52 // Capture state (of-the-VM) information needed to evaluate the policy
1.53 void setup();
1.54 - bool should_clear_reference(oop p);
1.55 + virtual bool should_clear_reference(oop p, jlong timestamp_clock);
1.56 };
1.57
1.58 #endif // SHARE_VM_MEMORY_REFERENCEPOLICY_HPP
