100   // Large Page Support

   100   // Large Page Support

   101   static bool is_valid_page_size(size_t bytes);

   101   static bool is_valid_page_size(size_t bytes);

   102   static size_t page_size_for_alignment(size_t alignment);

   102   static size_t page_size_for_alignment(size_t alignment);

   103   static bool setup_large_pages(caddr_t start, size_t bytes, size_t align);

   103   static bool setup_large_pages(caddr_t start, size_t bytes, size_t align);

   104 

   104 

   107   static void try_enable_extended_io();

   105   static void try_enable_extended_io();

   108 

   106 

   109   static struct sigaction *(*get_signal_action)(int);

   107   static struct sigaction *(*get_signal_action)(int);

   110   static struct sigaction *get_preinstalled_handler(int);

   108   static struct sigaction *get_preinstalled_handler(int);

   111   static int (*get_libjsig_version)();

   109   static int (*get_libjsig_version)();

   146 

   144 

   147   static void hotspot_sigmask(Thread* thread);

   145   static void hotspot_sigmask(Thread* thread);

   148 

   146 

   149   // SR_handler

   147   // SR_handler

   150   static void SR_handler(Thread* thread, ucontext_t* uc);

   148   static void SR_handler(Thread* thread, ucontext_t* uc);

   151  protected:

   152  protected:

   152   // Solaris-specific interface goes here

   153   // Solaris-specific interface goes here

   153   static julong available_memory();

   154   static julong available_memory();

   154   static julong physical_memory() { return _physical_memory; }

   155   static julong physical_memory() { return _physical_memory; }

   155   static julong _physical_memory;

   156   static julong _physical_memory;

   266   // %%% Following should be promoted to os.hpp:

   267   // %%% Following should be promoted to os.hpp:

   267   // Trace number of created threads

   268   // Trace number of created threads

   268   static          jint  _os_thread_limit;

   269   static          jint  _os_thread_limit;

   269   static volatile jint  _os_thread_count;

   270   static volatile jint  _os_thread_count;

   270 

   271 

   271 

   273 

   272   // Stack overflow handling

   274   // Stack overflow handling

   273 

   275 

   274   static int max_register_window_saves_before_flushing();

   276   static int max_register_window_saves_before_flushing();

   275 

   277