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authorDavid Robillard <d@drobilla.net>2021-01-02 14:46:29 +0100
committerDavid Robillard <d@drobilla.net>2021-01-02 14:46:29 +0100
commitbd0214b1da66225f410641692e89e492f668472a (patch)
tree80956f373070734dc14a7f103e5fa21a5baa0b6e /include/raul/Maid.hpp
parent5c263125aeae87dcd4694a4d3a4781bda7247a00 (diff)
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Format all code with clang-format
Diffstat (limited to 'include/raul/Maid.hpp')
-rw-r--r--include/raul/Maid.hpp235
1 files changed, 125 insertions, 110 deletions
diff --git a/include/raul/Maid.hpp b/include/raul/Maid.hpp
index 1c1977f..9176d8b 100644
--- a/include/raul/Maid.hpp
+++ b/include/raul/Maid.hpp
@@ -38,118 +38,133 @@ namespace Raul {
class Maid : public Noncopyable
{
public:
- /** An object that can be disposed via Maid::dispose(). */
- class Disposable : public Deletable {
- public:
- Disposable() = default;
-
- Disposable(const Disposable&) = delete;
- Disposable& operator=(const Disposable&) = delete;
-
- Disposable(Disposable&&) = delete;
- Disposable& operator=(Disposable&&) = delete;
-
- ~Disposable() override = default;
-
- private:
- friend class Maid;
- Disposable* _maid_next{};
- };
-
- /** Disposable wrapper for any type. */
- template<typename T>
- class Managed : public Raul::Maid::Disposable, public T
- {
- public:
- template<typename... Args>
- explicit Managed(Args&&... args)
- : T(std::forward<Args>(args)...)
- {}
- };
-
- /** Deleter for Disposable objects. */
- template<typename T>
- class Disposer {
- public:
- explicit Disposer(Maid* maid) : _maid(maid) {}
-
- Disposer() = default;
-
- void operator()(T* obj) {
- if (_maid) { _maid->dispose(obj); }
- }
-
- private:
- Maid* _maid{nullptr};
- };
-
- /** A managed pointer that automatically disposes of its contents.
- *
- * This is a unique_ptr so that it is possible to statically verify that
- * code is real-time safe.
- */
- template<typename T> using managed_ptr = std::unique_ptr<T, Disposer<T>>;
-
- Maid() : _disposed(nullptr) {}
-
- Maid(const Maid&) = delete;
- Maid& operator=(const Maid&) = delete;
-
- Maid(Maid&&) = delete;
- Maid& operator=(Maid&&) = delete;
-
- inline ~Maid() { cleanup(); }
-
- /** Return false iff there is currently no garbage. */
- inline bool empty() const {
- return !_disposed.load(std::memory_order_relaxed);
- }
-
- /** Enqueue an object for deletion when cleanup() is called next.
- *
- * This is thread-safe, and real-time safe assuming reasonably low
- * contention.
- */
- inline void dispose(Disposable* obj) {
- if (obj) {
- // Atomically add obj to the head of the disposed list
- do {
- obj->_maid_next = _disposed.load(std::memory_order_relaxed);
- } while (!_disposed.compare_exchange_weak(
- obj->_maid_next, obj,
- std::memory_order_release,
- std::memory_order_relaxed));
- }
- }
-
- /** Delete all disposed objects immediately.
- *
- * Obviously not real-time safe, but may be called while other threads are
- * calling dispose().
- */
- inline void cleanup() {
- // Atomically get the head of the disposed list
- Disposable* const disposed = _disposed.exchange(
- nullptr, std::memory_order_acquire);
-
- // Free the disposed list
- for (Disposable* obj = disposed; obj;) {
- Disposable* const next = obj->_maid_next;
- delete obj;
- obj = next;
- }
- }
-
- /** Make a unique_ptr that will dispose its object when dropped. */
- template<class T, class... Args>
- managed_ptr<T> make_managed(Args&&... args) {
- return std::unique_ptr<T, Disposer<T> >(
- new T(std::forward<Args>(args)...),
- Disposer<T>(this));
- }
+ /** An object that can be disposed via Maid::dispose(). */
+ class Disposable : public Deletable
+ {
+ public:
+ Disposable() = default;
+
+ Disposable(const Disposable&) = delete;
+ Disposable& operator=(const Disposable&) = delete;
+
+ Disposable(Disposable&&) = delete;
+ Disposable& operator=(Disposable&&) = delete;
+
+ ~Disposable() override = default;
+
+ private:
+ friend class Maid;
+ Disposable* _maid_next{};
+ };
+
+ /** Disposable wrapper for any type. */
+ template<typename T>
+ class Managed
+ : public Raul::Maid::Disposable
+ , public T
+ {
+ public:
+ template<typename... Args>
+ explicit Managed(Args&&... args)
+ : T(std::forward<Args>(args)...)
+ {}
+ };
+
+ /** Deleter for Disposable objects. */
+ template<typename T>
+ class Disposer
+ {
+ public:
+ explicit Disposer(Maid* maid)
+ : _maid(maid)
+ {}
+
+ Disposer() = default;
+
+ void operator()(T* obj)
+ {
+ if (_maid) {
+ _maid->dispose(obj);
+ }
+ }
+
+ private:
+ Maid* _maid{nullptr};
+ };
+
+ /** A managed pointer that automatically disposes of its contents.
+ *
+ * This is a unique_ptr so that it is possible to statically verify that
+ * code is real-time safe.
+ */
+ template<typename T>
+ using managed_ptr = std::unique_ptr<T, Disposer<T>>;
+
+ Maid()
+ : _disposed(nullptr)
+ {}
+
+ Maid(const Maid&) = delete;
+ Maid& operator=(const Maid&) = delete;
+
+ Maid(Maid&&) = delete;
+ Maid& operator=(Maid&&) = delete;
+
+ inline ~Maid() { cleanup(); }
+
+ /** Return false iff there is currently no garbage. */
+ inline bool empty() const
+ {
+ return !_disposed.load(std::memory_order_relaxed);
+ }
+
+ /** Enqueue an object for deletion when cleanup() is called next.
+ *
+ * This is thread-safe, and real-time safe assuming reasonably low
+ * contention.
+ */
+ inline void dispose(Disposable* obj)
+ {
+ if (obj) {
+ // Atomically add obj to the head of the disposed list
+ do {
+ obj->_maid_next = _disposed.load(std::memory_order_relaxed);
+ } while (!_disposed.compare_exchange_weak(obj->_maid_next,
+ obj,
+ std::memory_order_release,
+ std::memory_order_relaxed));
+ }
+ }
+
+ /** Delete all disposed objects immediately.
+ *
+ * Obviously not real-time safe, but may be called while other threads are
+ * calling dispose().
+ */
+ inline void cleanup()
+ {
+ // Atomically get the head of the disposed list
+ Disposable* const disposed =
+ _disposed.exchange(nullptr, std::memory_order_acquire);
+
+ // Free the disposed list
+ for (Disposable* obj = disposed; obj;) {
+ Disposable* const next = obj->_maid_next;
+ delete obj;
+ obj = next;
+ }
+ }
+
+ /** Make a unique_ptr that will dispose its object when dropped. */
+ template<class T, class... Args>
+ managed_ptr<T> make_managed(Args&&... args)
+ {
+ return std::unique_ptr<T, Disposer<T>>(new T(std::forward<Args>(args)...),
+ Disposer<T>(this));
+ }
private:
- std::atomic<Disposable*> _disposed;
+ std::atomic<Disposable*> _disposed;
};
template<typename T>