Initial Commit

include/asio/impl/awaitable.ipp

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+//
+// impl/awaitable.ipp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 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_IMPL_AWAITABLE_IPP
+#define ASIO_IMPL_AWAITABLE_IPP
+
+#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_CO_AWAIT)
+
+#include "asio/awaitable.hpp"
+#include "asio/detail/call_stack.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+void awaitable_launch_context::launch(void (*pump_fn)(void*), void* arg)
+{
+  call_stack<awaitable_launch_context>::context ctx(this);
+  pump_fn(arg);
+}
+
+bool awaitable_launch_context::is_launching()
+{
+  return !!call_stack<awaitable_launch_context>::contains(this);
+}
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT)
+
+#endif // ASIO_IMPL_AWAITABLE_IPP