src/share/vm/runtime/os.hpp
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src/share/vm/runtime/os.hpp

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





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


 573 
 574   static int get_loaded_modules_info(LoadedModulesCallbackFunc callback, void *param);
 575 
 576   // Return the handle of this process
 577   static void* get_default_process_handle();
 578 
 579   // Check for static linked agent library
 580   static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],
 581                                  size_t syms_len);
 582 
 583   // Find agent entry point
 584   static void *find_agent_function(AgentLibrary *agent_lib, bool check_lib,
 585                                    const char *syms[], size_t syms_len);
 586 
 587   // Print out system information; they are called by fatal error handler.
 588   // Output format may be different on different platforms.
 589   static void print_os_info(outputStream* st);
 590   static void print_os_info_brief(outputStream* st);
 591   static void print_cpu_info(outputStream* st, char* buf, size_t buflen);
 592   static void pd_print_cpu_info(outputStream* st, char* buf, size_t buflen);

 593   static void print_memory_info(outputStream* st);
 594   static void print_dll_info(outputStream* st);
 595   static void print_environment_variables(outputStream* st, const char** env_list);
 596   static void print_context(outputStream* st, void* context);
 597   static void print_register_info(outputStream* st, void* context);
 598   static void print_siginfo(outputStream* st, void* siginfo);
 599   static void print_signal_handlers(outputStream* st, char* buf, size_t buflen);
 600   static void print_date_and_time(outputStream* st, char* buf, size_t buflen);
 601 
 602   static void print_location(outputStream* st, intptr_t x, bool verbose = false);
 603   static size_t lasterror(char *buf, size_t len);
 604   static int get_last_error();
 605 
 606   // Determines whether the calling process is being debugged by a user-mode debugger.
 607   static bool is_debugger_attached();
 608 
 609   // wait for a key press if PauseAtExit is set
 610   static void wait_for_keypress_at_exit(void);
 611 
 612   // The following two functions are used by fatal error handler to trace




 133   static void   pd_commit_memory_or_exit(char* addr, size_t bytes,
 134                                          bool executable, const char* mesg);
 135   static void   pd_commit_memory_or_exit(char* addr, size_t size,
 136                                          size_t alignment_hint,
 137                                          bool executable, const char* mesg);
 138   static bool   pd_uncommit_memory(char* addr, size_t bytes);
 139   static bool   pd_release_memory(char* addr, size_t bytes);
 140 
 141   static char*  pd_map_memory(int fd, const char* file_name, size_t file_offset,
 142                            char *addr, size_t bytes, bool read_only = false,
 143                            bool allow_exec = false);
 144   static char*  pd_remap_memory(int fd, const char* file_name, size_t file_offset,
 145                              char *addr, size_t bytes, bool read_only,
 146                              bool allow_exec);
 147   static bool   pd_unmap_memory(char *addr, size_t bytes);
 148   static void   pd_free_memory(char *addr, size_t bytes, size_t alignment_hint);
 149   static void   pd_realign_memory(char *addr, size_t bytes, size_t alignment_hint);
 150 
 151   static size_t page_size_for_region(size_t region_size, size_t min_pages, bool must_be_aligned);
 152 
 153   // Get summary strings for system information in buffer provided
 154   static bool  get_host_name(char* buf, size_t buflen) PRODUCT_RETURN_(false);  // true if available
 155   static void  get_summary_cpu_info(char* buf, size_t buflen);
 156   static void  get_summary_os_info(char* buf, size_t buflen);
 157 
 158  public:
 159   static void init(void);                      // Called before command line parsing
 160   static void init_before_ergo(void);          // Called after command line parsing
 161                                                // before VM ergonomics processing.
 162   static jint init_2(void);                    // Called after command line parsing
 163                                                // and VM ergonomics processing
 164   static void init_globals(void) {             // Called from init_globals() in init.cpp
 165     init_globals_ext();
 166   }
 167 
 168   // File names are case-insensitive on windows only
 169   // Override me as needed
 170   static int    file_name_strcmp(const char* s1, const char* s2);
 171 
 172   // unset environment variable
 173   static bool unsetenv(const char* name);
 174 
 175   static bool have_special_privileges();
 176 
 177   static jlong  javaTimeMillis();


 578 
 579   static int get_loaded_modules_info(LoadedModulesCallbackFunc callback, void *param);
 580 
 581   // Return the handle of this process
 582   static void* get_default_process_handle();
 583 
 584   // Check for static linked agent library
 585   static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],
 586                                  size_t syms_len);
 587 
 588   // Find agent entry point
 589   static void *find_agent_function(AgentLibrary *agent_lib, bool check_lib,
 590                                    const char *syms[], size_t syms_len);
 591 
 592   // Print out system information; they are called by fatal error handler.
 593   // Output format may be different on different platforms.
 594   static void print_os_info(outputStream* st);
 595   static void print_os_info_brief(outputStream* st);
 596   static void print_cpu_info(outputStream* st, char* buf, size_t buflen);
 597   static void pd_print_cpu_info(outputStream* st, char* buf, size_t buflen);
 598   static void print_summary_info(outputStream* st, char* buf, size_t buflen);
 599   static void print_memory_info(outputStream* st);
 600   static void print_dll_info(outputStream* st);
 601   static void print_environment_variables(outputStream* st, const char** env_list);
 602   static void print_context(outputStream* st, void* context);
 603   static void print_register_info(outputStream* st, void* context);
 604   static void print_siginfo(outputStream* st, void* siginfo);
 605   static void print_signal_handlers(outputStream* st, char* buf, size_t buflen);
 606   static void print_date_and_time(outputStream* st, char* buf, size_t buflen);
 607 
 608   static void print_location(outputStream* st, intptr_t x, bool verbose = false);
 609   static size_t lasterror(char *buf, size_t len);
 610   static int get_last_error();
 611 
 612   // Determines whether the calling process is being debugged by a user-mode debugger.
 613   static bool is_debugger_attached();
 614 
 615   // wait for a key press if PauseAtExit is set
 616   static void wait_for_keypress_at_exit(void);
 617 
 618   // The following two functions are used by fatal error handler to trace


src/share/vm/runtime/os.hpp
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