Initial Commit

include/asio/impl/execution_context.ipp

@@ -0,0 +1,120 @@
+//
+// impl/execution_context.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_EXECUTION_CONTEXT_IPP
+#define ASIO_IMPL_EXECUTION_CONTEXT_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/detail/service_registry.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+execution_context::execution_context()
+  : execution_context(
+      detail::allocate_object<allocator_impl<std::allocator<void>>>(
+        std::allocator<void>(), std::allocator<void>()))
+{
+}
+
+execution_context::execution_context(allocator_impl_base* alloc)
+  : allocator_{alloc},
+    service_registry_(
+        detail::allocate_object<detail::service_registry>(
+          allocator<void>(*this), *this))
+{
+}
+
+execution_context::execution_context(
+    const execution_context::service_maker& initial_services)
+  : execution_context(
+      detail::allocate_object<allocator_impl<std::allocator<void>>>(
+        std::allocator<void>(), std::allocator<void>()),
+      initial_services)
+{
+}
+
+execution_context::execution_context(allocator_impl_base* alloc,
+    const execution_context::service_maker& initial_services)
+  : allocator_{alloc},
+    service_registry_(
+        detail::allocate_object<detail::service_registry>(
+          allocator<void>(*this), *this))
+{
+  initial_services.make(*this);
+}
+
+execution_context::~execution_context()
+{
+  shutdown();
+  destroy();
+  detail::deallocate_object(allocator<void>(*this), service_registry_);
+}
+
+void execution_context::shutdown()
+{
+  service_registry_->shutdown_services();
+}
+
+void execution_context::destroy()
+{
+  service_registry_->destroy_services();
+}
+
+void execution_context::notify_fork(
+    asio::execution_context::fork_event event)
+{
+  service_registry_->notify_fork(event);
+}
+
+execution_context::allocator_impl_base::~allocator_impl_base()
+{
+}
+
+execution_context::service::service(execution_context& owner)
+  : owner_(owner),
+    next_(0),
+    destroy_(0)
+{
+}
+
+execution_context::service::~service()
+{
+}
+
+void execution_context::service::notify_fork(execution_context::fork_event)
+{
+}
+
+execution_context::service_maker::~service_maker()
+{
+}
+
+service_already_exists::service_already_exists()
+  : std::logic_error("Service already exists.")
+{
+}
+
+invalid_service_owner::invalid_service_owner()
+  : std::logic_error("Invalid service owner.")
+{
+}
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_EXECUTION_CONTEXT_IPP