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Submodule realm-core
updated
120 files
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| Original file line number | Diff line number | Diff line change |
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| //////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Copyright 2024 Realm Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////// | ||
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| #include "napi_scheduler.h" | ||
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| #include <realm/util/functional.hpp> | ||
| #include <realm/object-store/util/scheduler.hpp> | ||
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| #include <napi.h> | ||
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| #include <functional> | ||
| #include <memory> | ||
| #include <type_traits> | ||
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| namespace realm::js::node { | ||
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| namespace { | ||
| /** | ||
| * Assumes called exactly once per data value: | ||
| * An absent call results in a leak and multiple calls result in use-after-free. | ||
| */ | ||
| void call_func_from_data(Napi::Env, Napi::Function, std::nullptr_t*, VoidUniqueFunctionImpl* data) | ||
| { | ||
| (realm::util::UniqueFunction<void()>(data))(); | ||
| } | ||
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| /** | ||
| * A NAPI thread-safe function which use the data to construct and call a `UniqueFunction`: | ||
| * Simpler and faster than passing and calling a `Napi::Function` to `NonBlockingCall`. | ||
| */ | ||
| using SchedulerThreadSafeFunction = | ||
| Napi::TypedThreadSafeFunction<std::nullptr_t, VoidUniqueFunctionImpl, &call_func_from_data>; | ||
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| } // namespace | ||
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| NapiScheduler::NapiScheduler(Napi::Env& env) | ||
| : m_env(env) | ||
| // TODO: Consider including an id from the env in the resource name | ||
| , m_tsf(SchedulerThreadSafeFunction::New(env, "realm::NapiScheduler", 0, 1)) | ||
| { | ||
| } | ||
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| bool NapiScheduler::is_on_thread() const noexcept | ||
| { | ||
| return false; | ||
| } | ||
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| bool NapiScheduler::is_same_as(const Scheduler* other) const noexcept | ||
| { | ||
| auto o = dynamic_cast<const NapiScheduler*>(other); | ||
| return (o && (o->m_env == m_env)); | ||
| } | ||
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| bool NapiScheduler::can_invoke() const noexcept | ||
| { | ||
| return true; | ||
| } | ||
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| void NapiScheduler::invoke(realm::util::UniqueFunction<void()>&& func) | ||
| { | ||
| m_tsf.NonBlockingCall(func.release()); | ||
| } | ||
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| } // namespace realm::js::node |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| //////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Copyright 2024 Realm Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////// | ||
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| #pragma once | ||
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| #include <realm/util/functional.hpp> | ||
| #include <realm/object-store/util/scheduler.hpp> | ||
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| #include <napi.h> | ||
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| namespace realm::js::node { | ||
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| using VoidUniqueFunctionImpl = std::remove_pointer_t<decltype(realm::util::UniqueFunction<void()>().release())>; | ||
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| class NapiScheduler : public realm::util::Scheduler { | ||
| public: | ||
| NapiScheduler(Napi::Env& env); | ||
| bool is_on_thread() const noexcept override; | ||
| bool is_same_as(const Scheduler* other) const noexcept override; | ||
| bool can_invoke() const noexcept override; | ||
| void invoke(realm::util::UniqueFunction<void()>&& func) override; | ||
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| private: | ||
| Napi::Env m_env; | ||
| Napi::TypedThreadSafeFunction<std::nullptr_t, VoidUniqueFunctionImpl> m_tsf; | ||
| }; | ||
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| } // namespace realm::js::node |