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src/hotspot/share/services/writeableFlags.hpp
changeset 49857 31e07291ae29
parent 47216 71c04702a3d5
child 49860 ca5216a2a2cc
equal deleted inserted replaced
49856:5f63af8f9d7f 49857:31e07291ae29 
     1 /*
 
     1 /*
 
     2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
 
     2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
     4  *
 
     4  *
 
     5  * This code is free software; you can redistribute it and/or modify it
 
     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
 
     6  * under the terms of the GNU General Public License version 2 only, as
 
     7  * published by the Free Software Foundation.
 
     7  * published by the Free Software Foundation.
 
    23  */
 
    23  */
 
    24 
    24 
    25 #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
 
    25 #ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
 
    26 #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
 
    26 #define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
 
    27 
    27 
       
    28 #include "runtime/flags/jvmFlag.hpp"
 
    28 #include "runtime/globals.hpp"
 
    29 #include "runtime/globals.hpp"
 
    29 #include "utilities/formatBuffer.hpp"
 
    30 #include "utilities/formatBuffer.hpp"
 
    30 
    31 
    31 class WriteableFlags : AllStatic {
 
    32 class WriteableFlags : AllStatic {
 
    32 private:
 
    33 private:
 
    33   // a writeable flag setter accepting either 'jvalue' or 'char *' values
 
    34   // a writeable flag setter accepting either 'jvalue' or 'char *' values
 
    34   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);
 
    35   static JVMFlag::Error set_flag(const char* name, const void* value, JVMFlag::Error(*setter)(JVMFlag*, const void*, JVMFlag::Flags, FormatBuffer<80>&), JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    35   // a writeable flag setter accepting 'char *' values
 
    36   // a writeable flag setter accepting 'char *' values
 
    36   static Flag::Error set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    37   static JVMFlag::Error set_flag_from_char(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    37   // a writeable flag setter accepting 'jvalue' values
 
    38   // a writeable flag setter accepting 'jvalue' values
 
    38   static Flag::Error set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    39   static JVMFlag::Error set_flag_from_jvalue(JVMFlag* f, const void* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    39 
    40 
    40   // set a boolean global flag
 
    41   // set a boolean global flag
 
    41   static Flag::Error set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    42   static JVMFlag::Error set_bool_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    42   // set a int global flag
 
    43   // set a int global flag
 
    43   static Flag::Error set_int_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    44   static JVMFlag::Error set_int_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    44   // set a uint global flag
 
    45   // set a uint global flag
 
    45   static Flag::Error set_uint_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    46   static JVMFlag::Error set_uint_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    46   // set a intx global flag
 
    47   // set a intx global flag
 
    47   static Flag::Error set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    48   static JVMFlag::Error set_intx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    48   // set a uintx global flag
 
    49   // set a uintx global flag
 
    49   static Flag::Error set_uintx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    50   static JVMFlag::Error set_uintx_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    50   // set a uint64_t global flag
 
    51   // set a uint64_t global flag
 
    51   static Flag::Error set_uint64_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    52   static JVMFlag::Error set_uint64_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    52   // set a size_t global flag using value from AttachOperation
 
    53   // set a size_t global flag using value from AttachOperation
 
    53   static Flag::Error set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    54   static JVMFlag::Error set_size_t_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    54   // set a boolean global flag
 
    55   // set a boolean global flag
 
    55   static Flag::Error set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    56   static JVMFlag::Error set_bool_flag(const char* name, bool value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    56   // set a int global flag
 
    57   // set a int global flag
 
    57   static Flag::Error set_int_flag(const char* name, int value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    58   static JVMFlag::Error set_int_flag(const char* name, int value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    58   // set a uint global flag
 
    59   // set a uint global flag
 
    59   static Flag::Error set_uint_flag(const char* name, uint value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    60   static JVMFlag::Error set_uint_flag(const char* name, uint value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    60   // set a intx global flag
 
    61   // set a intx global flag
 
    61   static Flag::Error set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    62   static JVMFlag::Error set_intx_flag(const char* name, intx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    62   // set a uintx global flag
 
    63   // set a uintx global flag
 
    63   static Flag::Error set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    64   static JVMFlag::Error set_uintx_flag(const char* name, uintx value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    64   // set a uint64_t global flag
 
    65   // set a uint64_t global flag
 
    65   static Flag::Error set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    66   static JVMFlag::Error set_uint64_t_flag(const char* name, uint64_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    66   // set a size_t global flag using value from AttachOperation
 
    67   // set a size_t global flag using value from AttachOperation
 
    67   static Flag::Error set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    68   static JVMFlag::Error set_size_t_flag(const char* name, size_t value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    68   // set a string global flag
 
    69   // set a string global flag
 
    69   static Flag::Error set_ccstr_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    70   static JVMFlag::Error set_ccstr_flag(const char* name, const char* value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    70 
    71 
    71 public:
 
    72 public:
 
    72   /* sets a writeable flag to the provided value
 
    73   /* sets a writeable flag to the provided value
 
    73    *
 
    74    *
 
    74    * - return status is one of the WriteableFlags::err enum values
 
    75    * - return status is one of the WriteableFlags::err enum values
 
    75    * - an eventual error message will be generated to the provided err_msg buffer
 
    76    * - an eventual error message will be generated to the provided err_msg buffer
 
    76    */
 
    77    */
 
    77   static Flag::Error set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    78   static JVMFlag::Error set_flag(const char* flag_name, const char* flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    78 
    79 
    79   /* sets a writeable flag to the provided value
 
    80   /* sets a writeable flag to the provided value
 
    80    *
 
    81    *
 
    81    * - return status is one of the WriteableFlags::err enum values
 
    82    * - return status is one of the WriteableFlags::err enum values
 
    82    * - an eventual error message will be generated to the provided err_msg buffer
 
    83    * - an eventual error message will be generated to the provided err_msg buffer
 
    83    */
 
    84    */
 
    84   static Flag::Error set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
 
    85   static JVMFlag::Error set_flag(const char* flag_name, jvalue flag_value, JVMFlag::Flags origin, FormatBuffer<80>& err_msg);
 
    85 };
 
    86 };
 
    86 
    87 
    87 #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */
 
    88 #endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */
jdk-sandbox