src/share/vm/runtime/os.hpp

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 135                                          bool executable, const char* mesg);
 136   static void   pd_commit_memory_or_exit(char* addr, size_t size,
 137                                          size_t alignment_hint,
 138                                          bool executable, const char* mesg);
 139   static bool   pd_uncommit_memory(char* addr, size_t bytes);
 140   static bool   pd_release_memory(char* addr, size_t bytes);
 141 
 142   static char*  pd_map_memory(int fd, const char* file_name, size_t file_offset,
 143                            char *addr, size_t bytes, bool read_only = false,
 144                            bool allow_exec = false);
 145   static char*  pd_remap_memory(int fd, const char* file_name, size_t file_offset,
 146                              char *addr, size_t bytes, bool read_only,
 147                              bool allow_exec);
 148   static bool   pd_unmap_memory(char *addr, size_t bytes);
 149   static void   pd_free_memory(char *addr, size_t bytes, size_t alignment_hint);
 150   static void   pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint);
 151 
 152   static size_t page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned);
 153 
 154   static void initialize_initial_active_processor_count();



 155  public:
 156   static void init(void);                      // Called before command line parsing





 157   static void init_before_ergo(void);          // Called after command line parsing
 158                                                // before VM ergonomics processing.
 159   static jint init_2(void);                    // Called after command line parsing
 160                                                // and VM ergonomics processing
 161   static void init_globals(void) {             // Called from init_globals() in init.cpp
 162     init_globals_ext();
 163   }
 164 
 165   // File names are case-insensitive on windows only
 166   // Override me as needed
 167   static int    file_name_strcmp(const char* s1, const char* s2);
 168 
 169   // get/unset environment variable
 170   static bool getenv(const char* name, char* buffer, int len);
 171   static bool unsetenv(const char* name);
 172 
 173   static bool have_special_privileges();
 174 
 175   static jlong  javaTimeMillis();
 176   static jlong  javaTimeNanos();




 135                                          bool executable, const char* mesg);
 136   static void   pd_commit_memory_or_exit(char* addr, size_t size,
 137                                          size_t alignment_hint,
 138                                          bool executable, const char* mesg);
 139   static bool   pd_uncommit_memory(char* addr, size_t bytes);
 140   static bool   pd_release_memory(char* addr, size_t bytes);
 141 
 142   static char*  pd_map_memory(int fd, const char* file_name, size_t file_offset,
 143                            char *addr, size_t bytes, bool read_only = false,
 144                            bool allow_exec = false);
 145   static char*  pd_remap_memory(int fd, const char* file_name, size_t file_offset,
 146                              char *addr, size_t bytes, bool read_only,
 147                              bool allow_exec);
 148   static bool   pd_unmap_memory(char *addr, size_t bytes);
 149   static void   pd_free_memory(char *addr, size_t bytes, size_t alignment_hint);
 150   static void   pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint);
 151 
 152   static size_t page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned);
 153 
 154   static void initialize_initial_active_processor_count();
 155 
 156   LINUX_ONLY(static void pd_init_container_support();)
 157 
 158  public:
 159   static void init(void);                      // Called before command line parsing
 160 
 161   static void init_container_support() {       // Called during command line parsing.
 162      LINUX_ONLY(pd_init_container_support();)
 163   }
 164 
 165   static void init_before_ergo(void);          // Called after command line parsing
 166                                                // before VM ergonomics processing.
 167   static jint init_2(void);                    // Called after command line parsing
 168                                                // and VM ergonomics processing
 169   static void init_globals(void) {             // Called from init_globals() in init.cpp
 170     init_globals_ext();
 171   }
 172 
 173   // File names are case-insensitive on windows only
 174   // Override me as needed
 175   static int    file_name_strcmp(const char* s1, const char* s2);
 176 
 177   // get/unset environment variable
 178   static bool getenv(const char* name, char* buffer, int len);
 179   static bool unsetenv(const char* name);
 180 
 181   static bool have_special_privileges();
 182 
 183   static jlong  javaTimeMillis();
 184   static jlong  javaTimeNanos();