56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
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/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <mutex>
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#include <unordered_set>
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#include <folly/memory/SanitizeLeak.h>
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namespace folly {
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namespace detail {
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namespace {
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struct LeakedPtrs {
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std::mutex mutex;
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std::unordered_set<void const*> set;
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static LeakedPtrs& instance() {
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static auto* ptrs = new LeakedPtrs();
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return *ptrs;
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}
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};
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} // namespace
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void annotate_object_leaked_impl(void const* ptr) {
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if (ptr == nullptr) {
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return;
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}
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auto& ptrs = LeakedPtrs::instance();
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std::lock_guard<std::mutex> lg(ptrs.mutex);
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ptrs.set.insert(ptr);
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}
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void annotate_object_collected_impl(void const* ptr) {
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if (ptr == nullptr) {
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return;
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}
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auto& ptrs = LeakedPtrs::instance();
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std::lock_guard<std::mutex> lg(ptrs.mutex);
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ptrs.set.erase(ptr);
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}
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} // namespace detail
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} // namespace folly
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