jiuyiUniapp/service/node_modules/react-native/ReactCommon/react/bridging/LongLivedObject.cpp

64 lines
1.6 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "LongLivedObject.h"
#include <unordered_map>
namespace facebook::react {
// LongLivedObjectCollection
LongLivedObjectCollection& LongLivedObjectCollection::get(
jsi::Runtime& runtime) {
static std::unordered_map<void*, std::shared_ptr<LongLivedObjectCollection>>
instances;
static std::mutex instancesMutex;
std::scoped_lock lock(instancesMutex);
void* key = static_cast<void*>(&runtime);
auto entry = instances.find(key);
if (entry == instances.end()) {
entry =
instances.emplace(key, std::make_shared<LongLivedObjectCollection>())
.first;
}
return *(entry->second);
}
void LongLivedObjectCollection::add(std::shared_ptr<LongLivedObject> so) {
std::scoped_lock lock(collectionMutex_);
collection_.insert(std::move(so));
}
void LongLivedObjectCollection::remove(const LongLivedObject* o) {
std::scoped_lock lock(collectionMutex_);
for (auto p = collection_.begin(); p != collection_.end(); p++) {
if (p->get() == o) {
collection_.erase(p);
break;
}
}
}
void LongLivedObjectCollection::clear() {
std::scoped_lock lock(collectionMutex_);
collection_.clear();
}
size_t LongLivedObjectCollection::size() const {
std::scoped_lock lock(collectionMutex_);
return collection_.size();
}
// LongLivedObject
void LongLivedObject::allowRelease() {
LongLivedObjectCollection::get(runtime_).remove(this);
}
} // namespace facebook::react