mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Kevin Gozali
1452954c4c
Summary: There are cases where the CallbackWrapper instances were added from different thread, potentially crashing the inner std::unordered_set<> we're using to keep the wrappers alive for extended time. To avoid it, let's just use std::mutex. Reviewed By: shergin Differential Revision: D17631233 fbshipit-source-id: e8f98004e45a68be31f8f0cda118fb67dcb06d45
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "LongLivedObject.h"
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namespace facebook {
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namespace react {
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// LongLivedObjectCollection
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LongLivedObjectCollection &LongLivedObjectCollection::get() {
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static LongLivedObjectCollection instance;
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return instance;
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}
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LongLivedObjectCollection::LongLivedObjectCollection() {}
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void LongLivedObjectCollection::add(std::shared_ptr<LongLivedObject> so) const {
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std::lock_guard<std::mutex> lock(collectionMutex_);
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collection_.insert(so);
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}
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void LongLivedObjectCollection::remove(const LongLivedObject *o) const {
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std::lock_guard<std::mutex> lock(collectionMutex_);
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auto p = collection_.begin();
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for (; p != collection_.end(); p++) {
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if (p->get() == o) {
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break;
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}
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}
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if (p != collection_.end()) {
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collection_.erase(p);
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}
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}
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void LongLivedObjectCollection::clear() const {
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std::lock_guard<std::mutex> lock(collectionMutex_);
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collection_.clear();
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}
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// LongLivedObject
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LongLivedObject::LongLivedObject() {}
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void LongLivedObject::allowRelease() {
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LongLivedObjectCollection::get().remove(this);
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}
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} // namespace react
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} // namespace facebook
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