summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/include/asio/detached.hpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/asio/include/asio/detached.hpp')
-rw-r--r--3rdparty/asio/include/asio/detached.hpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/detached.hpp b/3rdparty/asio/include/asio/detached.hpp
new file mode 100644
index 00000000000..e99875e36d7
--- /dev/null
+++ b/3rdparty/asio/include/asio/detached.hpp
@@ -0,0 +1,112 @@
+//
+// detached.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_DETACHED_HPP
+#define ASIO_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <memory>
+#include "asio/detail/type_traits.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Class used to specify that an asynchronous operation is detached.
+/**
+
+ * The detached_t class is used to indicate that an asynchronous operation is
+ * detached. That is, there is no completion handler waiting for the
+ * operation's result. A detached_t object may be passed as a handler to an
+ * asynchronous operation, typically using the special value
+ * @c asio::detached. For example:
+
+ * @code my_socket.async_send(my_buffer, asio::detached);
+ * @endcode
+ */
+class detached_t
+{
+public:
+ /// Constructor.
+ ASIO_CONSTEXPR detached_t()
+ {
+ }
+
+ /// Adapts an executor to add the @c detached_t completion token as the
+ /// default.
+ template <typename InnerExecutor>
+ struct executor_with_default : InnerExecutor
+ {
+ /// Specify @c detached_t as the default completion token type.
+ typedef detached_t default_completion_token_type;
+
+ /// Construct the adapted executor from the inner executor type.
+ executor_with_default(const InnerExecutor& ex) ASIO_NOEXCEPT
+ : InnerExecutor(ex)
+ {
+ }
+
+ /// Convert the specified executor to the inner executor type, then use
+ /// that to construct the adapted executor.
+ template <typename OtherExecutor>
+ executor_with_default(const OtherExecutor& ex,
+ typename constraint<
+ is_convertible<OtherExecutor, InnerExecutor>::value
+ >::type = 0) ASIO_NOEXCEPT
+ : InnerExecutor(ex)
+ {
+ }
+ };
+
+ /// Type alias to adapt an I/O object to use @c detached_t as its
+ /// default completion token type.
+#if defined(ASIO_HAS_ALIAS_TEMPLATES) \
+ || defined(GENERATING_DOCUMENTATION)
+ template <typename T>
+ using as_default_on_t = typename T::template rebind_executor<
+ executor_with_default<typename T::executor_type> >::other;
+#endif // defined(ASIO_HAS_ALIAS_TEMPLATES)
+ // || defined(GENERATING_DOCUMENTATION)
+
+ /// Function helper to adapt an I/O object to use @c detached_t as its
+ /// default completion token type.
+ template <typename T>
+ static typename decay<T>::type::template rebind_executor<
+ executor_with_default<typename decay<T>::type::executor_type>
+ >::other
+ as_default_on(ASIO_MOVE_ARG(T) object)
+ {
+ return typename decay<T>::type::template rebind_executor<
+ executor_with_default<typename decay<T>::type::executor_type>
+ >::other(ASIO_MOVE_CAST(T)(object));
+ }
+};
+
+/// A special value, similar to std::nothrow.
+/**
+ * See the documentation for asio::detached_t for a usage example.
+ */
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr detached_t detached;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) detached_t detached;
+#endif
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/detached.hpp"
+
+#endif // ASIO_DETACHED_HPP