src/share/vm/runtime/os.hpp

rev 8831 : Merge
rev 8910 : full patch for jfr

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 554,563 ****
--- 554,564 ----
    static int available(int fd, jlong *bytes);
  
    //File i/o operations
  
    static size_t read(int fd, void *buf, unsigned int nBytes);
+   static size_t read_at(int fd, void *buf, unsigned int nBytes, jlong offset);
    static size_t restartable_read(int fd, void *buf, unsigned int nBytes);
    static size_t write(int fd, const void *buf, unsigned int nBytes);
  
    // Reading directories.
    static DIR*           opendir(const char* dirname);
*** 603,612 ****
--- 604,623 ----
    static void* dll_lookup(void* handle, const char* name);
  
    // Unload library
    static void  dll_unload(void *lib);
  
+   // Callback for loaded module information
+   // Input parameters:
+   //    char*     module_file_name,
+   //    address   module_base_addr,
+   //    address   module_top_addr,
+   //    void*     param
+   typedef int (*LoadedModulesCallbackFunc)(const char *, address, address, void *);
+ 
+   static int get_loaded_modules_info(LoadedModulesCallbackFunc callback, void *param);
+ 
    // Return the handle of this process
    static void* get_default_process_handle();
  
    // Check for static linked agent library
    static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],