mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "refcnt.hpp"
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#include "td/utils/ScopeGuard.h"
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namespace td {
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Ref<CntObject> CntObject::clone() const {
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return Ref<CntObject>{make_copy(), Ref<CntObject>::acquire_t()};
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}
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namespace detail {
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struct SafeDeleter {
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public:
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void retire(const CntObject *ptr) {
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if (is_active_) {
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to_delete_.push_back(ptr);
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return;
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}
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is_active_ = true;
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SCOPE_EXIT {
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is_active_ = false;
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};
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delete ptr;
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while (!to_delete_.empty()) {
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auto *ptr = to_delete_.back();
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to_delete_.pop_back();
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delete ptr;
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}
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}
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private:
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std::vector<const CntObject *> to_delete_;
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bool is_active_{false};
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};
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TD_THREAD_LOCAL SafeDeleter *deleter;
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void safe_delete(const CntObject *ptr) {
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init_thread_local<SafeDeleter>(deleter);
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deleter->retire(ptr);
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}
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} // namespace detail
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} // namespace td
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