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Merge pull request #13596 from JosJuice/config-callback-locking
Config: Add locking for config changed callbacks
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@ -20,10 +20,11 @@ using Layers = std::map<LayerType, std::shared_ptr<Layer>>;
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static Layers s_layers;
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static std::vector<std::pair<ConfigChangedCallbackID, ConfigChangedCallback>> s_callbacks;
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static size_t s_next_callback_id = 0;
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static u32 s_callback_guards = 0;
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static std::atomic<u32> s_callback_guards = 0;
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static std::atomic<u64> s_config_version = 0;
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static std::shared_mutex s_layers_rw_lock;
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static std::mutex s_callbacks_lock;
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using ReadLock = std::shared_lock<std::shared_mutex>;
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using WriteLock = std::unique_lock<std::shared_mutex>;
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@ -69,6 +70,7 @@ void RemoveLayer(LayerType layer)
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ConfigChangedCallbackID AddConfigChangedCallback(ConfigChangedCallback func)
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{
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std::lock_guard lock(s_callbacks_lock);
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const ConfigChangedCallbackID callback_id{s_next_callback_id};
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++s_next_callback_id;
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s_callbacks.emplace_back(std::make_pair(callback_id, std::move(func)));
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@ -77,6 +79,7 @@ ConfigChangedCallbackID AddConfigChangedCallback(ConfigChangedCallback func)
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void RemoveConfigChangedCallback(ConfigChangedCallbackID callback_id)
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{
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std::lock_guard lock(s_callbacks_lock);
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for (auto it = s_callbacks.begin(); it != s_callbacks.end(); ++it)
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{
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if (it->first == callback_id)
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@ -97,6 +100,8 @@ void OnConfigChanged()
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if (s_callback_guards)
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return;
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std::lock_guard lock(s_callbacks_lock);
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for (const auto& callback : s_callbacks)
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callback.second();
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}
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