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SynchronizedWrapper: Add Lock convenience method
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1 changed files with 25 additions and 18 deletions
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@ -9,25 +9,8 @@
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namespace Common {
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namespace Common {
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/**
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* Wraps an object, only allowing access to it via a locking reference wrapper. Good to ensure no
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* one forgets to lock a mutex before acessing an object. To access the wrapped object construct a
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* SyncronizedRef on this wrapper. Inspired by Rust's Mutex type
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* (http://doc.rust-lang.org/std/sync/struct.Mutex.html).
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*/
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template <typename T>
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template <typename T>
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class SynchronizedWrapper {
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class SynchronizedWrapper;
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public:
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template <typename... Args>
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SynchronizedWrapper(Args&&... args) : data(std::forward<Args>(args)...) {}
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private:
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template <typename U>
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friend class SynchronizedRef;
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std::mutex mutex;
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T data;
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};
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/**
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/**
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* Synchronized reference, that keeps a SynchronizedWrapper's mutex locked during its lifetime. This
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* Synchronized reference, that keeps a SynchronizedWrapper's mutex locked during its lifetime. This
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@ -75,4 +58,28 @@ private:
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SynchronizedWrapper<T>* wrapper;
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SynchronizedWrapper<T>* wrapper;
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};
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};
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/**
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* Wraps an object, only allowing access to it via a locking reference wrapper. Good to ensure no
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* one forgets to lock a mutex before acessing an object. To access the wrapped object construct a
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* SyncronizedRef on this wrapper. Inspired by Rust's Mutex type
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* (http://doc.rust-lang.org/std/sync/struct.Mutex.html).
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*/
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template <typename T>
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class SynchronizedWrapper {
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public:
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template <typename... Args>
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SynchronizedWrapper(Args&&... args) : data(std::forward<Args>(args)...) {}
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SynchronizedRef<T> Lock() {
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return {*this};
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}
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private:
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template <typename U>
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friend class SynchronizedRef;
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std::mutex mutex;
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T data;
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};
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} // namespace Common
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} // namespace Common
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