347 }
348
349 // Debugging
350 friend class JavaClasses;
351 friend class InstanceKlass; // verification code accesses offsets
352 friend class ClassFileParser; // access to number_of_fake_fields
353 };
354
355 // Interface to java.lang.Thread objects
356
357 class java_lang_Thread : AllStatic {
358 private:
359 // Note that for this class the layout changed between JDK1.2 and JDK1.3,
360 // so we compute the offsets at startup rather than hard-wiring them.
361 static int _name_offset;
362 static int _group_offset;
363 static int _contextClassLoader_offset;
364 static int _inheritedAccessControlContext_offset;
365 static int _priority_offset;
366 static int _eetop_offset;
367 static int _daemon_offset;
368 static int _stillborn_offset;
369 static int _stackSize_offset;
370 static int _tid_offset;
371 static int _thread_status_offset;
372 static int _park_blocker_offset;
373
374 static void compute_offsets();
375
376 public:
377 static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
378
379 // Instance creation
380 static oop create();
381 // Returns the JavaThread associated with the thread obj
382 static JavaThread* thread(oop java_thread);
383 // Set JavaThread for instance
384 static void set_thread(oop java_thread, JavaThread* thread);
385 // Name
386 static oop name(oop java_thread);
387 static void set_name(oop java_thread, oop name);
388 // Priority
389 static ThreadPriority priority(oop java_thread);
390 static void set_priority(oop java_thread, ThreadPriority priority);
391 // Thread group
392 static oop threadGroup(oop java_thread);
393 // Stillborn
394 static bool is_stillborn(oop java_thread);
395 static void set_stillborn(oop java_thread);
396 // Alive (NOTE: this is not really a field, but provides the correct
397 // definition without doing a Java call)
398 static bool is_alive(oop java_thread);
399 // Daemon
400 static bool is_daemon(oop java_thread);
401 static void set_daemon(oop java_thread);
402 // Context ClassLoader
403 static oop context_class_loader(oop java_thread);
404 // Control context
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347 }
348
349 // Debugging
350 friend class JavaClasses;
351 friend class InstanceKlass; // verification code accesses offsets
352 friend class ClassFileParser; // access to number_of_fake_fields
353 };
354
355 // Interface to java.lang.Thread objects
356
357 class java_lang_Thread : AllStatic {
358 private:
359 // Note that for this class the layout changed between JDK1.2 and JDK1.3,
360 // so we compute the offsets at startup rather than hard-wiring them.
361 static int _name_offset;
362 static int _group_offset;
363 static int _contextClassLoader_offset;
364 static int _inheritedAccessControlContext_offset;
365 static int _priority_offset;
366 static int _eetop_offset;
367 static int _interrupted_offset;
368 static int _daemon_offset;
369 static int _stillborn_offset;
370 static int _stackSize_offset;
371 static int _tid_offset;
372 static int _thread_status_offset;
373 static int _park_blocker_offset;
374
375 static void compute_offsets();
376
377 public:
378 static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
379
380 // Instance creation
381 static oop create();
382 // Returns the JavaThread associated with the thread obj
383 static JavaThread* thread(oop java_thread);
384 // Set JavaThread for instance
385 static void set_thread(oop java_thread, JavaThread* thread);
386 // Interrupted status
387 static bool interrupted(oop java_thread);
388 static void set_interrupted(oop java_thread, bool val);
389 // Name
390 static oop name(oop java_thread);
391 static void set_name(oop java_thread, oop name);
392 // Priority
393 static ThreadPriority priority(oop java_thread);
394 static void set_priority(oop java_thread, ThreadPriority priority);
395 // Thread group
396 static oop threadGroup(oop java_thread);
397 // Stillborn
398 static bool is_stillborn(oop java_thread);
399 static void set_stillborn(oop java_thread);
400 // Alive (NOTE: this is not really a field, but provides the correct
401 // definition without doing a Java call)
402 static bool is_alive(oop java_thread);
403 // Daemon
404 static bool is_daemon(oop java_thread);
405 static void set_daemon(oop java_thread);
406 // Context ClassLoader
407 static oop context_class_loader(oop java_thread);
408 // Control context
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