429 return addr >= page && addr < (page + os::vm_page_size());
430 }
431
432 static void block_on_serialize_page_trap();
433
434 // threads
435
436 enum ThreadType {
437 vm_thread,
438 cgc_thread, // Concurrent GC thread
439 pgc_thread, // Parallel GC thread
440 java_thread, // Java, CodeCacheSweeper, JVMTIAgent and Service threads.
441 compiler_thread,
442 watcher_thread,
443 os_thread
444 };
445
446 static bool create_thread(Thread* thread,
447 ThreadType thr_type,
448 size_t req_stack_size = 0);
449 static bool create_main_thread(JavaThread* thread);
450 static bool create_attached_thread(JavaThread* thread);
451 static void pd_start_thread(Thread* thread);
452 static void start_thread(Thread* thread);
453
454 static void initialize_thread(Thread* thr);
455 static void free_thread(OSThread* osthread);
456
457 // thread id on Linux/64bit is 64bit, on Windows and Solaris, it's 32bit
458 static intx current_thread_id();
459 static int current_process_id();
460 static int sleep(Thread* thread, jlong ms, bool interruptable);
461 // Short standalone OS sleep suitable for slow path spin loop.
462 // Ignores Thread.interrupt() (so keep it short).
463 // ms = 0, will sleep for the least amount of time allowed by the OS.
464 static void naked_short_sleep(jlong ms);
465 static void infinite_sleep(); // never returns, use with CAUTION
466 static void naked_yield () ;
467 static OSReturn set_priority(Thread* thread, ThreadPriority priority);
468 static OSReturn get_priority(const Thread* const thread, ThreadPriority& priority);
469
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429 return addr >= page && addr < (page + os::vm_page_size());
430 }
431
432 static void block_on_serialize_page_trap();
433
434 // threads
435
436 enum ThreadType {
437 vm_thread,
438 cgc_thread, // Concurrent GC thread
439 pgc_thread, // Parallel GC thread
440 java_thread, // Java, CodeCacheSweeper, JVMTIAgent and Service threads.
441 compiler_thread,
442 watcher_thread,
443 os_thread
444 };
445
446 static bool create_thread(Thread* thread,
447 ThreadType thr_type,
448 size_t req_stack_size = 0);
449 // The "main thread", also known as "starting thread", is the thread
450 // that loads/creates the JVM via JNI_CreateJavaVM
451 static bool create_main_thread(JavaThread* thread);
452 // The primordial thread is the initial process thread. The java
453 // launcher nevers uses the primordial thread as the main thread, but
454 // applications that host the JVM directly may do so. Some platforms
455 // have to special-case handling of the primordial thread if it attaches
456 // to the VM.
457 static bool is_primordial_thread(void);
458 static bool create_attached_thread(JavaThread* thread);
459 static void pd_start_thread(Thread* thread);
460 static void start_thread(Thread* thread);
461
462 static void initialize_thread(Thread* thr);
463 static void free_thread(OSThread* osthread);
464
465 // thread id on Linux/64bit is 64bit, on Windows and Solaris, it's 32bit
466 static intx current_thread_id();
467 static int current_process_id();
468 static int sleep(Thread* thread, jlong ms, bool interruptable);
469 // Short standalone OS sleep suitable for slow path spin loop.
470 // Ignores Thread.interrupt() (so keep it short).
471 // ms = 0, will sleep for the least amount of time allowed by the OS.
472 static void naked_short_sleep(jlong ms);
473 static void infinite_sleep(); // never returns, use with CAUTION
474 static void naked_yield () ;
475 static OSReturn set_priority(Thread* thread, ThreadPriority priority);
476 static OSReturn get_priority(const Thread* const thread, ThreadPriority& priority);
477
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