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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#ifndef PLATFORM_PUBLIC_THREAD_CHECK_CALLABLE_H_
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#define PLATFORM_PUBLIC_THREAD_CHECK_CALLABLE_H_
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#include "platform/base/callable.h"
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#include "platform/public/lockable.h"
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#include "absl/base/thread_annotations.h"
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namespace location {
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namespace nearby {
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// A callable that acquires a lockable resource while running.
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// This class helps with thread safety analysis.
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template <typename T>
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class ThreadCheckCallable {
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public:
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ThreadCheckCallable(const Lockable *lockable, Callable<T> &&callable)
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: lockable_{lockable}, callable_{callable} {}
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ExceptionOr<T> operator()() const {
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ThreadLockHolder thread_lock(lockable_);
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return callable_();
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}
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private:
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Lockable const *lockable_;
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Callable<T> callable_;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_PUBLIC_THREAD_CHECK_CALLABLE_H_
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