Initial preparations for CURL and Discord integration.

module/Vendor/ASIO/include/asio/windows/overlapped_ptr.hpp

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+//
+// windows/overlapped_ptr.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_WINDOWS_OVERLAPPED_PTR_HPP
+#define ASIO_WINDOWS_OVERLAPPED_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/win_iocp_overlapped_ptr.hpp"
+#include "asio/io_context.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace windows {
+
+/// Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
+/**
+ * A special-purpose smart pointer used to wrap an application handler so that
+ * it can be passed as the LPOVERLAPPED argument to overlapped I/O functions.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+class overlapped_ptr
+  : private noncopyable
+{
+public:
+  /// Construct an empty overlapped_ptr.
+  overlapped_ptr()
+    : impl_()
+  {
+  }
+
+  /// Construct an overlapped_ptr to contain the specified handler.
+  template <typename ExecutionContext, typename Handler>
+  explicit overlapped_ptr(ExecutionContext& context,
+      ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context.get_executor(), ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  /// Construct an overlapped_ptr to contain the specified handler.
+  template <typename Executor, typename Handler>
+  explicit overlapped_ptr(const Executor& ex,
+      ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        execution::is_executor<Executor>::value
+          || is_executor<Executor>::value
+      >::type* = 0)
+    : impl_(ex, ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  /// Destructor automatically frees the OVERLAPPED object unless released.
+  ~overlapped_ptr()
+  {
+  }
+
+  /// Reset to empty.
+  void reset()
+  {
+    impl_.reset();
+  }
+
+  /// Reset to contain the specified handler, freeing any current OVERLAPPED
+  /// object.
+  template <typename ExecutionContext, typename Handler>
+  void reset(ExecutionContext& context, ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    impl_.reset(context.get_executor(), ASIO_MOVE_CAST(Handler)(handler));
+  }
+
+  /// Reset to contain the specified handler, freeing any current OVERLAPPED
+  /// object.
+  template <typename Executor, typename Handler>
+  void reset(const Executor& ex, ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        execution::is_executor<Executor>::value
+          || is_executor<Executor>::value
+      >::type* = 0)
+  {
+    impl_.reset(ex, ASIO_MOVE_CAST(Handler)(handler));
+  }
+
+  /// Get the contained OVERLAPPED object.
+  OVERLAPPED* get()
+  {
+    return impl_.get();
+  }
+
+  /// Get the contained OVERLAPPED object.
+  const OVERLAPPED* get() const
+  {
+    return impl_.get();
+  }
+
+  /// Release ownership of the OVERLAPPED object.
+  OVERLAPPED* release()
+  {
+    return impl_.release();
+  }
+
+  /// Post completion notification for overlapped operation. Releases ownership.
+  void complete(const asio::error_code& ec,
+      std::size_t bytes_transferred)
+  {
+    impl_.complete(ec, bytes_transferred);
+  }
+
+private:
+  detail::win_iocp_overlapped_ptr impl_;
+};
+
+} // namespace windows
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_WINDOWS_OVERLAPPED_PTR_HPP