61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// Copyright (C) 2015 The Android Open Source Project
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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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#pragma once
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#include "android/base/TypeTraits.h"
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#include "android/base/threads/AndroidThread.h"
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#include "android/base/threads/AndroidThreadTypes.h"
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#include <utility>
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// FunctorThread class is an implementation of base Thread interface that
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// allows one to run a function object in separate thread. It's mostly a
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// convenience class so one doesn't need to create a separate class if the only
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// needed thing is to run a specific existing function in a thread.
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namespace android {
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namespace base {
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namespace guest {
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class FunctorThread : public android::base::guest::Thread {
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public:
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using Functor = android::base::guest::ThreadFunctor;
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explicit FunctorThread(const Functor& func,
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ThreadFlags flags = ThreadFlags::MaskSignals)
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: FunctorThread(Functor(func), flags) {}
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explicit FunctorThread(Functor&& func,
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ThreadFlags flags = ThreadFlags::MaskSignals);
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// A constructor from a void function in case when result isn't important.
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template <class Func, class = enable_if<is_callable_as<Func, void()>>>
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explicit FunctorThread(Func&& func,
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ThreadFlags flags = ThreadFlags::MaskSignals)
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: Thread(flags), mThreadFunc([func = std::move(func)]() {
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func();
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return intptr_t();
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}) {}
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private:
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intptr_t main() override;
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Functor mThreadFunc;
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};
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} // namespace guest
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} // namespace base
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} // namespace android
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