98 lines
4.5 KiB
C++
98 lines
4.5 KiB
C++
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/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
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#define SHARE_VM_SERVICES_WRITEABLEFLAG_HPP
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class WriteableFlags : AllStatic {
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public:
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enum error {
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// no error
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SUCCESS,
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// flag name is missing
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MISSING_NAME,
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// flag value is missing
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MISSING_VALUE,
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// error parsing the textual form of the value
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WRONG_FORMAT,
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// flag is not writeable
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NON_WRITABLE,
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// flag value is outside of its bounds
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OUT_OF_BOUNDS,
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// there is no flag with the given name
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INVALID_FLAG,
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// other, unspecified error related to setting the flag
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ERR_OTHER
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} err;
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private:
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// a writeable flag setter accepting either 'jvalue' or 'char *' values
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static int set_flag(const char* name, const void* value, int(*setter)(Flag*, const void*, Flag::Flags, FormatBuffer<80>&), Flag::Flags origin, FormatBuffer<80>& err_msg);
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// a writeable flag setter accepting 'char *' values
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static int set_flag_from_char(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// a writeable flag setter accepting 'jvalue' values
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static int set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a boolean global flag
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static int set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a intx global flag
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static int set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a uintx global flag
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static int set_uintx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a uint64_t global flag
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static int set_uint64_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a size_t global flag using value from AttachOperation
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static int set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a boolean global flag
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static int set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a intx global flag
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static int set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a uintx global flag
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static int set_uintx_flag(const char* name, uintx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a uint64_t global flag
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static int set_uint64_t_flag(const char* name, uint64_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a size_t global flag using value from AttachOperation
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static int set_size_t_flag(const char* name, size_t value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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// set a string global flag
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static int set_ccstr_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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public:
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/* sets a writeable flag to the provided value
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*
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* - return status is one of the WriteableFlags::err enum values
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* - an eventual error message will be generated to the provided err_msg buffer
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*/
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static int set_flag(const char* flag_name, const char* flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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/* sets a writeable flag to the provided value
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*
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* - return status is one of the WriteableFlags::err enum values
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* - an eventual error message will be generated to the provided err_msg buffer
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*/
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static int set_flag(const char* flag_name, jvalue flag_value, Flag::Flags origin, FormatBuffer<80>& err_msg);
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};
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#endif /* SHARE_VM_SERVICES_WRITEABLEFLAG_HPP */
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