forked from lthn/blockchain
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
// Copyright (c) 2006-2020, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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#include <limits>
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#include <set>
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#include <iterator>
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#include <boost/thread.hpp>
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#include "include_base_utils.h"
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#include "auto_val_init.h"
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#define DEFINE_SECURE_STATIC_VAR(type, var) static epee::static_helpers::wrapper<type> var##inst; \
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static type& var = var##inst;
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namespace epee
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{
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namespace static_helpers
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{
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template<class to_initialize>
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class initializer
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{
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public:
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initializer()
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{
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to_initialize::init();
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//get_set_is_initialized(true, true);
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}
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~initializer()
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{
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to_initialize::un_init();
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//get_set_is_uninitialized(true, true);
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}
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};
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typedef void(*static_destroy_handler_type)();
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inline
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bool set_or_call_on_destruct(bool set = false, static_destroy_handler_type destr_ptr = nullptr)
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{
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volatile static bool deinit_called = false;
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volatile static static_destroy_handler_type static_destroy_handler = nullptr;
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if (set)
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{
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static_destroy_handler = destr_ptr;
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return true;
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}
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if (!deinit_called)
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{
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if (static_destroy_handler)
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static_destroy_handler();
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deinit_called = true;
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}
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return true;
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}
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template<class t_base>
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struct wrapper : public t_base
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{
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~wrapper()
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{
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set_or_call_on_destruct();
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}
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};
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}
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}
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