Mercurial > hg > graal-compiler
diff src/share/vm/runtime/thread.hpp @ 1974:fd1d227ef1b9
6983204: G1: Nightly test nsk/regression/b4958615 failing with +ExplicitGCInvokesConcurrent
Summary: Enable reference discovery during concurrent marking by setting the reference processor field of the concurrent marking closure. Keep reference objects on the discovered reference lists alive during incremental evacuation pauses until they are processed at the end of concurrent marking.
Reviewed-by: ysr, tonyp
| author | johnc |
|---|---|
| date | Wed, 01 Dec 2010 17:34:02 -0800 |
| parents | f95d63e2154a |
| children | 06f017f7daa7 b1a2afa37ec4 |
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--- a/src/share/vm/runtime/thread.hpp Tue Aug 24 17:24:33 2010 -0400 +++ b/src/share/vm/runtime/thread.hpp Wed Dec 01 17:34:02 2010 -0800 @@ -78,6 +78,8 @@ class ThreadClosure; class IdealGraphPrinter; +class WorkerThread; + // Class hierarchy // - Thread // - NamedThread @@ -289,6 +291,10 @@ virtual bool is_Watcher_thread() const { return false; } virtual bool is_ConcurrentGC_thread() const { return false; } virtual bool is_Named_thread() const { return false; } + virtual bool is_Worker_thread() const { return false; } + + // Casts + virtual WorkerThread* as_Worker_thread() const { return NULL; } virtual char* name() const { return (char*)"Unknown thread"; } @@ -628,9 +634,16 @@ private: uint _id; public: - WorkerThread() : _id(0) { } - void set_id(uint work_id) { _id = work_id; } - uint id() const { return _id; } + WorkerThread() : _id(0) { } + virtual bool is_Worker_thread() const { return true; } + + virtual WorkerThread* as_Worker_thread() const { + assert(is_Worker_thread(), "Dubious cast to WorkerThread*?"); + return (WorkerThread*) this; + } + + void set_id(uint work_id) { _id = work_id; } + uint id() const { return _id; } }; // A single WatcherThread is used for simulating timer interrupts.