1980 inline CompilerThread* JavaThread::as_CompilerThread() {
1981 assert(is_Compiler_thread(), "just checking");
1982 return (CompilerThread*)this;
1983 }
1984
1985 // Dedicated thread to sweep the code cache
1986 class CodeCacheSweeperThread : public JavaThread {
1987 nmethod* _scanned_nmethod; // nmethod being scanned by the sweeper
1988 public:
1989 CodeCacheSweeperThread();
1990 // Track the nmethod currently being scanned by the sweeper
1991 void set_scanned_nmethod(nmethod* nm) {
1992 assert(_scanned_nmethod == NULL || nm == NULL, "should reset to NULL before writing a new value");
1993 _scanned_nmethod = nm;
1994 }
1995
1996 // Hide sweeper thread from external view.
1997 bool is_hidden_from_external_view() const { return true; }
1998
1999 bool is_Code_cache_sweeper_thread() const { return true; }
2000 // GC support
2001 // Apply "f->do_oop" to all root oops in "this".
2002 // Apply "cf->do_code_blob" (if !NULL) to all code blobs active in frames
2003 void oops_do(OopClosure* f, CLDClosure* cld_f, CodeBlobClosure* cf);
2004 };
2005
2006 // A thread used for Compilation.
2007 class CompilerThread : public JavaThread {
2008 friend class VMStructs;
2009 private:
2010 CompilerCounters* _counters;
2011
2012 ciEnv* _env;
2013 CompileLog* _log;
2014 CompileTask* _task;
2015 CompileQueue* _queue;
2016 BufferBlob* _buffer_blob;
2017
2018 AbstractCompiler* _compiler;
2019
2020 public:
2021
2022 static CompilerThread* current();
2023
|
1980 inline CompilerThread* JavaThread::as_CompilerThread() {
1981 assert(is_Compiler_thread(), "just checking");
1982 return (CompilerThread*)this;
1983 }
1984
1985 // Dedicated thread to sweep the code cache
1986 class CodeCacheSweeperThread : public JavaThread {
1987 nmethod* _scanned_nmethod; // nmethod being scanned by the sweeper
1988 public:
1989 CodeCacheSweeperThread();
1990 // Track the nmethod currently being scanned by the sweeper
1991 void set_scanned_nmethod(nmethod* nm) {
1992 assert(_scanned_nmethod == NULL || nm == NULL, "should reset to NULL before writing a new value");
1993 _scanned_nmethod = nm;
1994 }
1995
1996 // Hide sweeper thread from external view.
1997 bool is_hidden_from_external_view() const { return true; }
1998
1999 bool is_Code_cache_sweeper_thread() const { return true; }
2000
2001 // Prevent GC from unloading _scanned_nmethod
2002 void oops_do(OopClosure* f, CLDClosure* cld_f, CodeBlobClosure* cf);
2003 void nmethods_do(CodeBlobClosure* cf);
2004 };
2005
2006 // A thread used for Compilation.
2007 class CompilerThread : public JavaThread {
2008 friend class VMStructs;
2009 private:
2010 CompilerCounters* _counters;
2011
2012 ciEnv* _env;
2013 CompileLog* _log;
2014 CompileTask* _task;
2015 CompileQueue* _queue;
2016 BufferBlob* _buffer_blob;
2017
2018 AbstractCompiler* _compiler;
2019
2020 public:
2021
2022 static CompilerThread* current();
2023
|