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src/share/vm/gc/g1/concurrentMarkThread.hpp
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rev 12505 : imported patch g1_whitebox
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -28,10 +28,11 @@
#include "gc/shared/concurrentGCThread.hpp"
// The Concurrent Mark GC Thread triggers the parallel G1CMConcurrentMarkingTasks
// as well as handling various marking cleanup.
+class ConcurrentGCPhaseManager;
class G1ConcurrentMark;
class G1Policy;
class ConcurrentMarkThread: public ConcurrentGCThread {
friend class VMStructs;
@@ -48,10 +49,14 @@
InProgress
};
volatile State _state;
+ // WhiteBox testing support.
+ int _requested_phase;
+ ConcurrentGCPhaseManager* _phase_manager;
+
void sleepBeforeNextCycle();
void delay_to_keep_mmu(G1Policy* g1_policy, bool remark);
void run_service();
void stop_service();
@@ -81,8 +86,13 @@
// cleared). While during_cycle() is true we will not start another cycle
// so that cycles do not overlap. We cannot use just in_progress()
// as the CM thread might take some time to wake up before noticing
// that started() is set and set in_progress().
bool during_cycle() { return !idle(); }
+
+ // WhiteBox testing support.
+ bool request_concurrent_phase(const char* phase);
+
+ ConcurrentGCPhaseManager* phase_manager() const { return _phase_manager; }
};
#endif // SHARE_VM_GC_G1_CONCURRENTMARKTHREAD_HPP
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