1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
  26 #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
  27 
  28 class WriteableFlags : AllStatic {




















  29 private:
  30   // a writeable flag setter accepting either 'jvalue' or 'char *' values
  31   static Flag::Error set_flag(const char* name, const void* value, Flag::Error(*setter)(Flag*, const void*, Flag::Flags, FormatBuffer<80>&), Flag::Flags origin, FormatBuffer<80>& err_msg);
  32   // a writeable flag setter accepting 'char *' values
  33   static Flag::Error set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  34   // a writeable flag setter accepting 'jvalue' values
  35   static Flag::Error set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  36 
  37   // set a boolean global flag
  38   static Flag::Error set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  39   // set a int global flag
  40   static Flag::Error set_int_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  41   // set a uint global flag
  42   static Flag::Error set_uint_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  43   // set a intx global flag
  44   static Flag::Error set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  45   // set a uintx global flag
  46   static Flag::Error set_uintx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  47   // set a uint64_t global flag
  48   static Flag::Error set_uint64_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  49   // set a size_t global flag using value from AttachOperation
  50   static Flag::Error set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  51   // set a boolean global flag
  52   static Flag::Error set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  53   // set a int global flag
  54   static Flag::Error set_int_flag(const char* name, int value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  55   // set a uint global flag
  56   static Flag::Error set_uint_flag(const char* name, uint value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  57   // set a intx global flag
  58   static Flag::Error set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  59   // set a uintx global flag
  60   static Flag::Error set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  61   // set a uint64_t global flag
  62   static Flag::Error set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  63   // set a size_t global flag using value from AttachOperation
  64   static Flag::Error set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  65   // set a string global flag
  66   static Flag::Error set_ccstr_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  67 
  68 public:
  69   /* sets a writeable flag to the provided value
  70    *
  71    * - return status is one of the WriteableFlags::err enum values
  72    * - an eventual error message will be generated to the provided err_msg buffer
  73    */
  74   static Flag::Error set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  75 
  76   /* sets a writeable flag to the provided value
  77    *
  78    * - return status is one of the WriteableFlags::err enum values
  79    * - an eventual error message will be generated to the provided err_msg buffer
  80    */
  81   static Flag::Error set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
  82 };
  83 
  84 #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */
  85 
--- EOF ---