Rename execution_context members to shutdown and destroy.

The execution_context member functions shutdown_context and destroy_context
have been renamed to shutdown and destroy, respectively. Similarly,
execution_context::service::shutdown_service has been renamed to shutdown.

asio/include/asio/datagram_socket_service.hpp

@@ -422,9 +422,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/deadline_timer_service.hpp

@@ -151,9 +151,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/detail/deadline_timer_service.hpp

@@ -75,7 +75,7 @@ public:
   }
 
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 

asio/include/asio/detail/dev_poll_reactor.hpp

@@ -59,10 +59,10 @@ public:
   ASIO_DECL ~dev_poll_reactor();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::execution_context::fork_event fork_ev);
 
   // Initialise the task.

asio/include/asio/detail/epoll_reactor.hpp

@@ -78,10 +78,10 @@ public:
   ASIO_DECL ~epoll_reactor();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::execution_context::fork_event fork_ev);
 
   // Initialise the task.

asio/include/asio/detail/impl/dev_poll_reactor.ipp

@@ -47,11 +47,11 @@ dev_poll_reactor::dev_poll_reactor(asio::execution_context& ctx)
 
 dev_poll_reactor::~dev_poll_reactor()
 {
-  shutdown_service();
+  shutdown();
   ::close(dev_poll_fd_);
 }
 
-void dev_poll_reactor::shutdown_service()
+void dev_poll_reactor::shutdown()
 {
   asio::detail::mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
@@ -67,7 +67,7 @@ void dev_poll_reactor::shutdown_service()
   scheduler_.abandon_operations(ops);
 } 
 
-void dev_poll_reactor::fork_service(asio::io_context::fork_event fork_ev)
+void dev_poll_reactor::notify_fork(asio::io_context::fork_event fork_ev)
 {
   if (fork_ev == asio::execution_context::fork_child)
   {

asio/include/asio/detail/impl/epoll_reactor.ipp

@@ -67,7 +67,7 @@ epoll_reactor::~epoll_reactor()
     close(timer_fd_);
 }
 
-void epoll_reactor::shutdown_service()
+void epoll_reactor::shutdown()
 {
   mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
@@ -88,7 +88,7 @@ void epoll_reactor::shutdown_service()
   scheduler_.abandon_operations(ops);
 }
 
-void epoll_reactor::fork_service(
+void epoll_reactor::notify_fork(
     asio::execution_context::fork_event fork_ev)
 {
   if (fork_ev == asio::execution_context::fork_child)

asio/include/asio/detail/impl/kqueue_reactor.ipp

@@ -63,7 +63,7 @@ kqueue_reactor::~kqueue_reactor()
   close(kqueue_fd_);
 }
 
-void kqueue_reactor::shutdown_service()
+void kqueue_reactor::shutdown()
 {
   mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
@@ -84,7 +84,7 @@ void kqueue_reactor::shutdown_service()
   scheduler_.abandon_operations(ops);
 }
 
-void kqueue_reactor::fork_service(
+void kqueue_reactor::notify_fork(
     asio::execution_context::fork_event fork_ev)
 {
   if (fork_ev == asio::execution_context::fork_child)

asio/include/asio/detail/impl/reactive_descriptor_service.ipp

@@ -36,7 +36,7 @@ reactive_descriptor_service::reactive_descriptor_service(
   reactor_.init_task();
 }
 
-void reactive_descriptor_service::shutdown_service()
+void reactive_descriptor_service::shutdown()
 {
 }
 

asio/include/asio/detail/impl/reactive_serial_port_service.ipp

@@ -35,9 +35,9 @@ reactive_serial_port_service::reactive_serial_port_service(
 {
 }
 
-void reactive_serial_port_service::shutdown_service()
+void reactive_serial_port_service::shutdown()
 {
-  descriptor_service_.shutdown_service();
+  descriptor_service_.shutdown();
 }
 
 asio::error_code reactive_serial_port_service::open(

asio/include/asio/detail/impl/reactive_socket_service_base.ipp

@@ -35,7 +35,7 @@ reactive_socket_service_base::reactive_socket_service_base(
   reactor_.init_task();
 }
 
-void reactive_socket_service_base::shutdown_service()
+void reactive_socket_service_base::shutdown()
 {
 }
 

asio/include/asio/detail/impl/resolver_service_base.ipp

@@ -46,10 +46,10 @@ resolver_service_base::resolver_service_base(
 
 resolver_service_base::~resolver_service_base()
 {
-  shutdown_service();
+  shutdown();
 }
 
-void resolver_service_base::shutdown_service()
+void resolver_service_base::shutdown()
 {
   work_.reset();
   if (work_io_context_.get())
@@ -64,7 +64,7 @@ void resolver_service_base::shutdown_service()
   }
 }
 
-void resolver_service_base::fork_service(
+void resolver_service_base::notify_fork(
     asio::io_context::fork_event fork_ev)
 {
   if (work_thread_.get())

asio/include/asio/detail/impl/scheduler.ipp

@@ -97,7 +97,7 @@ scheduler::scheduler(
   ASIO_HANDLER_TRACKING_INIT;
 }
 
-void scheduler::shutdown_service()
+void scheduler::shutdown()
 {
   mutex::scoped_lock lock(mutex_);
   shutdown_ = true;

asio/include/asio/detail/impl/select_reactor.ipp

@@ -71,10 +71,10 @@ select_reactor::select_reactor(asio::execution_context& ctx)
 
 select_reactor::~select_reactor()
 {
-  shutdown_service();
+  shutdown();
 }
 
-void select_reactor::shutdown_service()
+void select_reactor::shutdown()
 {
   asio::detail::mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
@@ -103,7 +103,7 @@ void select_reactor::shutdown_service()
   scheduler_.abandon_operations(ops);
 }
 
-void select_reactor::fork_service(
+void select_reactor::notify_fork(
     asio::execution_context::fork_event fork_ev)
 {
   if (fork_ev == asio::execution_context::fork_child)

asio/include/asio/detail/impl/service_registry.ipp

@@ -40,7 +40,7 @@ void service_registry::shutdown_services()
   execution_context::service* service = first_service_;
   while (service)
   {
-    service->shutdown_service();
+    service->shutdown();
     service = service->next_;
   }
 }
@@ -78,10 +78,10 @@ void service_registry::notify_fork(execution_context::fork_event fork_ev)
   std::size_t num_services = services.size();
   if (fork_ev == execution_context::fork_prepare)
     for (std::size_t i = 0; i < num_services; ++i)
-      services[i]->fork_service(fork_ev);
+      services[i]->notify_fork(fork_ev);
   else
     for (std::size_t i = num_services; i > 0; --i)
-      services[i - 1]->fork_service(fork_ev);
+      services[i - 1]->notify_fork(fork_ev);
 }
 
 void service_registry::init_key(execution_context::service::key& key,

asio/include/asio/detail/impl/signal_set_service.ipp

@@ -150,7 +150,7 @@ signal_set_service::~signal_set_service()
   remove_service(this);
 }
 
-void signal_set_service::shutdown_service()
+void signal_set_service::shutdown()
 {
   remove_service(this);
 
@@ -169,7 +169,7 @@ void signal_set_service::shutdown_service()
   io_context_.abandon_operations(ops);
 }
 
-void signal_set_service::fork_service(
+void signal_set_service::notify_fork(
     asio::io_context::fork_event fork_ev)
 {
 #if !defined(ASIO_WINDOWS) \

asio/include/asio/detail/impl/strand_executor_service.ipp

@@ -31,7 +31,7 @@ strand_executor_service::strand_executor_service(execution_context& ctx)
 {
 }
 
-void strand_executor_service::shutdown_service()
+void strand_executor_service::shutdown()
 {
   op_queue<scheduler_operation> ops;
 

asio/include/asio/detail/impl/strand_service.ipp

@@ -49,7 +49,7 @@ strand_service::strand_service(asio::io_context& io_context)
 {
 }
 
-void strand_service::shutdown_service()
+void strand_service::shutdown()
 {
   op_queue<operation> ops;
 

asio/include/asio/detail/impl/win_iocp_handle_service.ipp

@@ -73,7 +73,7 @@ win_iocp_handle_service::win_iocp_handle_service(
 {
 }
 
-void win_iocp_handle_service::shutdown_service()
+void win_iocp_handle_service::shutdown()
 {
   // Close all implementations, causing all operations to complete.
   asio::detail::mutex::scoped_lock lock(mutex_);

asio/include/asio/detail/impl/win_iocp_io_context.ipp

@@ -86,7 +86,7 @@ win_iocp_io_context::win_iocp_io_context(
   }
 }
 
-void win_iocp_io_context::shutdown_service()
+void win_iocp_io_context::shutdown()
 {
   ::InterlockedExchange(&shutdown_, 1);
 

asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp

@@ -34,7 +34,7 @@ win_iocp_serial_port_service::win_iocp_serial_port_service(
 {
 }
 
-void win_iocp_serial_port_service::shutdown_service()
+void win_iocp_serial_port_service::shutdown()
 {
 }
 

asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp

@@ -37,7 +37,7 @@ win_iocp_socket_service_base::win_iocp_socket_service_base(
 {
 }
 
-void win_iocp_socket_service_base::shutdown_service()
+void win_iocp_socket_service_base::shutdown()
 {
   // Close all implementations, causing all operations to complete.
   asio::detail::mutex::scoped_lock lock(mutex_);

asio/include/asio/detail/impl/win_object_handle_service.ipp

@@ -36,7 +36,7 @@ win_object_handle_service::win_object_handle_service(
 {
 }
 
-void win_object_handle_service::shutdown_service()
+void win_object_handle_service::shutdown()
 {
   mutex::scoped_lock lock(mutex_);
 

asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp

@@ -38,7 +38,7 @@ winrt_ssocket_service_base::winrt_ssocket_service_base(
 {
 }
 
-void winrt_ssocket_service_base::shutdown_service()
+void winrt_ssocket_service_base::shutdown()
 {
   // Close all implementations, causing all operations to complete.
   asio::detail::mutex::scoped_lock lock(mutex_);

asio/include/asio/detail/impl/winrt_timer_scheduler.ipp

@@ -44,10 +44,10 @@ winrt_timer_scheduler::winrt_timer_scheduler(
 
 winrt_timer_scheduler::~winrt_timer_scheduler()
 {
-  shutdown_service();
+  shutdown();
 }
 
-void winrt_timer_scheduler::shutdown_service()
+void winrt_timer_scheduler::shutdown()
 {
   asio::detail::mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
@@ -67,7 +67,7 @@ void winrt_timer_scheduler::shutdown_service()
   io_context_.abandon_operations(ops);
 }
 
-void winrt_timer_scheduler::fork_service(asio::io_context::fork_event)
+void winrt_timer_scheduler::notify_fork(asio::io_context::fork_event)
 {
 }
 

asio/include/asio/detail/kqueue_reactor.hpp

@@ -82,10 +82,10 @@ public:
   ASIO_DECL ~kqueue_reactor();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::execution_context::fork_event fork_ev);
 
   // Initialise the task.

asio/include/asio/detail/null_reactor.hpp

@@ -43,7 +43,7 @@ public:
   }
 
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 

asio/include/asio/detail/null_socket_service.hpp

@@ -55,7 +55,7 @@ public:
   }
 
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 

asio/include/asio/detail/reactive_descriptor_service.hpp

@@ -78,7 +78,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new descriptor implementation.
   ASIO_DECL void construct(implementation_type& impl);

asio/include/asio/detail/reactive_serial_port_service.hpp

@@ -47,7 +47,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new serial port implementation.
   void construct(implementation_type& impl)

asio/include/asio/detail/reactive_socket_service_base.hpp

@@ -66,7 +66,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new socket implementation.
   ASIO_DECL void construct(base_implementation_type& impl);

asio/include/asio/detail/resolver_service_base.hpp

@@ -45,10 +45,10 @@ public:
   ASIO_DECL ~resolver_service_base();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Perform any fork-related housekeeping.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::io_context::fork_event fork_ev);
 
   // Construct a new resolver implementation.

asio/include/asio/detail/scheduler.hpp

@@ -47,7 +47,7 @@ public:
       std::size_t concurrency_hint = 0);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Initialise the task, if required.
   ASIO_DECL void init_task();
@@ -113,8 +113,8 @@ public:
   // operation for immediate invocation.
   ASIO_DECL void do_dispatch(operation* op);
 
-  // Process unfinished operations as part of a shutdown_service operation.
+  // Process unfinished operations as part of a shutdownoperation. Assumes that
-  // Assumes that work_started() was previously called for the operations.
+  // work_started() was previously called for the operations.
   ASIO_DECL void abandon_operations(op_queue<operation>& ops);
 
 private:

asio/include/asio/detail/select_reactor.hpp

@@ -70,10 +70,10 @@ public:
   ASIO_DECL ~select_reactor();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::execution_context::fork_event fork_ev);
 
   // Initialise the task, but only if the reactor is not in its own thread.

asio/include/asio/detail/signal_set_service.hpp

@@ -114,10 +114,10 @@ public:
   ASIO_DECL ~signal_set_service();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Perform fork-related housekeeping.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::io_context::fork_event fork_ev);
 
   // Construct a new signal_set implementation.

asio/include/asio/detail/strand_executor_service.hpp

@@ -76,7 +76,7 @@ public:
   ASIO_DECL explicit strand_executor_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Create a new strand_executor implementation.
   ASIO_DECL implementation_type create_implementation();

asio/include/asio/detail/strand_service.hpp

@@ -78,7 +78,7 @@ public:
   ASIO_DECL explicit strand_service(asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new strand implementation.
   ASIO_DECL void construct(implementation_type& impl);

asio/include/asio/detail/win_iocp_handle_service.hpp

@@ -77,7 +77,7 @@ public:
   ASIO_DECL win_iocp_handle_service(asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new handle implementation.
   ASIO_DECL void construct(implementation_type& impl);

asio/include/asio/detail/win_iocp_io_context.hpp

@@ -51,7 +51,7 @@ public:
       size_t concurrency_hint = 0);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Initialise the task. Nothing to do here.
   void init_task()
@@ -148,8 +148,8 @@ public:
     post_immediate_completion(op, false);
   }
 
-  // Process unfinished operations as part of a shutdown_service operation.
+  // Process unfinished operations as part of a shutdown operation. Assumes
-  // Assumes that work_started() was previously called for the operations.
+  // that work_started() was previously called for the operations.
   ASIO_DECL void abandon_operations(op_queue<operation>& ops);
 
   // Called after starting an overlapped I/O operation that did not complete

asio/include/asio/detail/win_iocp_serial_port_service.hpp

@@ -45,7 +45,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new serial port implementation.
   void construct(implementation_type& impl)

asio/include/asio/detail/win_iocp_socket_service_base.hpp

@@ -89,7 +89,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new socket implementation.
   ASIO_DECL void construct(base_implementation_type& impl);

asio/include/asio/detail/win_object_handle_service.hpp

@@ -82,7 +82,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new handle implementation.
   ASIO_DECL void construct(implementation_type& impl);

asio/include/asio/detail/winrt_async_manager.hpp

@@ -48,7 +48,7 @@ public:
   }
 
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
     if (--outstanding_ops_ > 0)
     {

asio/include/asio/detail/winrt_resolver_service.hpp

@@ -64,12 +64,12 @@ public:
   }
 
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 
   // Perform any fork-related housekeeping.
-  void fork_service(asio::io_context::fork_event)
+  void notify_fork(asio::io_context::fork_event)
   {
   }
 

asio/include/asio/detail/winrt_ssocket_service_base.hpp

@@ -65,7 +65,7 @@ public:
       asio::io_context& io_context);
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Construct a new socket implementation.
   ASIO_DECL void construct(base_implementation_type&);

asio/include/asio/detail/winrt_timer_scheduler.hpp

@@ -50,10 +50,10 @@ public:
   ASIO_DECL ~winrt_timer_scheduler();
 
   // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown_service();
+  ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void fork_service(
+  ASIO_DECL void notify_fork(
       asio::io_context::fork_event fork_ev);
 
   // Initialise the task. No effect as this class uses its own thread.

asio/include/asio/execution_context.hpp

@@ -83,8 +83,8 @@ namespace detail { class service_registry; }
  * type.
  *
  * On destruction, a class that is derived from execution_context must perform
- * <tt>execution_context::shutdown_context()</tt> followed by
+ * <tt>execution_context::shutdown()</tt> followed by
- * <tt>execution_context::destroy_context()</tt>.
+ * <tt>execution_context::destroy()</tt>.
  *
  * This destruction sequence permits programs to simplify their resource
  * management by using @c shared_ptr<>. Where an object's lifetime is tied to
@@ -98,9 +98,9 @@ namespace detail { class service_registry; }
  *
  * @li To shut down the whole program, the io_context function stop() is called
  * to terminate any run() calls as soon as possible. The io_context destructor
- * calls @c shutdown_context() and @c destroy_context() to destroy all pending
+ * calls @c shutdown() and @c destroy() to destroy all pending handlers,
- * handlers, causing all @c shared_ptr references to all connection objects to
+ * causing all @c shared_ptr references to all connection objects to be
- * be destroyed.
+ * destroyed.
  */
 class execution_context
   : private noncopyable
@@ -122,9 +122,9 @@ protected:
    *
    * @li For each service object @c svc in the execution_context set, in
    * reverse order of the beginning of service object lifetime, performs @c
-   * svc->shutdown_service().
+   * svc->shutdown().
    */
-  ASIO_DECL void shutdown_context();
+  ASIO_DECL void shutdown();
 
   /// Destroys all services in the context.
   /**
@@ -134,7 +134,7 @@ protected:
    * reverse order * of the beginning of service object lifetime, performs
    * <tt>delete static_cast<execution_context::service*>(svc)</tt>.
    */
-  ASIO_DECL void destroy_context();
+  ASIO_DECL void destroy();
 
 public:
   /// Fork-related event notifications.
@@ -185,7 +185,7 @@ public:
    * } @endcode
    *
    * @note For each service object @c svc in the execution_context set,
-   * performs <tt>svc->fork_service();</tt>. When processing the fork_prepare
+   * performs <tt>svc->notify_fork();</tt>. When processing the fork_prepare
    * event, services are visited in reverse order of the beginning of service
    * object lifetime. Otherwise, services are visited in order of the beginning
    * of service object lifetime.
@@ -330,7 +330,7 @@ protected:
 
 private:
   /// Destroy all user-defined handler objects owned by the service.
-  virtual void shutdown_service() = 0;
+  virtual void shutdown() = 0;
 
   /// Handle notification of a fork-related event to perform any necessary
   /// housekeeping.
@@ -338,7 +338,7 @@ private:
    * This function is not a pure virtual so that services only have to
    * implement it if necessary. The default implementation does nothing.
    */
-  ASIO_DECL virtual void fork_service(
+  ASIO_DECL virtual void notify_fork(
       execution_context::fork_event event);
 
   friend class asio::detail::service_registry;

asio/include/asio/impl/execution_context.ipp

@@ -30,17 +30,17 @@ execution_context::execution_context()
 
 execution_context::~execution_context()
 {
-  shutdown_context();
+  shutdown();
-  destroy_context();
+  destroy();
   delete service_registry_;
 }
 
-void execution_context::shutdown_context()
+void execution_context::shutdown()
 {
   service_registry_->shutdown_services();
 }
 
-void execution_context::destroy_context()
+void execution_context::destroy()
 {
   service_registry_->destroy_services();
 }
@@ -61,7 +61,7 @@ execution_context::service::~service()
 {
 }
 
-void execution_context::service::fork_service(execution_context::fork_event)
+void execution_context::service::notify_fork(execution_context::fork_event)
 {
 }
 

asio/include/asio/impl/io_context.ipp

@@ -130,6 +130,34 @@ io_context::service::~service()
 {
 }
 
+void io_context::service::shutdown()
+{
+#if !defined(ASIO_NO_DEPRECATED)
+  shutdown_service();
+#endif // !defined(ASIO_NO_DEPRECATED)
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+void io_context::service::shutdown_service()
+{
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+void io_context::service::notify_fork(io_context::fork_event ev)
+{
+#if !defined(ASIO_NO_DEPRECATED)
+  fork_service(ev);
+#else // !defined(ASIO_NO_DEPRECATED)
+  (void)ev;
+#endif // !defined(ASIO_NO_DEPRECATED)
+}
+
+#if !defined(ASIO_NO_DEPRECATED)
+void io_context::service::fork_service(io_context::fork_event)
+{
+}
+#endif // !defined(ASIO_NO_DEPRECATED)
+
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"

asio/include/asio/io_context.hpp

@@ -179,7 +179,7 @@ public:
    *
    * @li For each service object @c svc in the io_context set, in reverse order
    * of the beginning of service object lifetime, performs
-   * @c svc->shutdown_service().
+   * @c svc->shutdown().
    *
    * @li Uninvoked handler objects that were scheduled for deferred invocation
    * on the io_context, or any associated strand, are destroyed.
@@ -684,6 +684,36 @@ public:
   asio::io_context& get_io_service();
 #endif // !defined(ASIO_NO_DEPRECATED)
 
+private:
+  /// Destroy all user-defined handler objects owned by the service.
+  ASIO_DECL virtual void shutdown();
+
+#if !defined(ASIO_NO_DEPRECATED)
+  /// (Deprecated: Use shutdown().) Destroy all user-defined handler objects
+  /// owned by the service.
+  ASIO_DECL virtual void shutdown_service();
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+  /// Handle notification of a fork-related event to perform any necessary
+  /// housekeeping.
+  /**
+   * This function is not a pure virtual so that services only have to
+   * implement it if necessary. The default implementation does nothing.
+   */
+  ASIO_DECL virtual void notify_fork(
+      execution_context::fork_event event);
+
+#if !defined(ASIO_NO_DEPRECATED)
+  /// (Deprecated: Use notify_fork().) Handle notification of a fork-related
+  /// event to perform any necessary housekeeping.
+  /**
+   * This function is not a pure virtual so that services only have to
+   * implement it if necessary. The default implementation does nothing.
+   */
+  ASIO_DECL virtual void fork_service(
+      execution_context::fork_event event);
+#endif // !defined(ASIO_NO_DEPRECATED)
+
 protected:
   /// Constructor.
   /**

asio/include/asio/ip/resolver_service.hpp

@@ -155,15 +155,15 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // Perform any fork-related housekeeping.
-  void fork_service(asio::io_context::fork_event event)
+  void notify_fork(asio::io_context::fork_event event)
   {
-    service_impl_.fork_service(event);
+    service_impl_.notify_fork(event);
   }
 
   // The platform-specific implementation.

asio/include/asio/posix/stream_descriptor_service.hpp

@@ -248,9 +248,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/raw_socket_service.hpp

@@ -422,9 +422,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/seq_packet_socket_service.hpp

@@ -372,9 +372,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/serial_port_service.hpp

@@ -219,9 +219,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/signal_set_service.hpp

@@ -111,15 +111,15 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // Perform any fork-related housekeeping.
-  void fork_service(asio::io_context::fork_event event)
+  void notify_fork(asio::io_context::fork_event event)
   {
-    service_impl_.fork_service(event);
+    service_impl_.notify_fork(event);
   }
 
   // The platform-specific implementation.

asio/include/asio/socket_acceptor_service.hpp

@@ -326,9 +326,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/stream_socket_service.hpp

@@ -368,9 +368,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/waitable_timer_service.hpp

@@ -189,9 +189,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/windows/object_handle_service.hpp

@@ -156,9 +156,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/windows/random_access_handle_service.hpp

@@ -185,9 +185,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/include/asio/windows/stream_handle_service.hpp

@@ -183,9 +183,9 @@ public:
 
 private:
   // Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
-    service_impl_.shutdown_service();
+    service_impl_.shutdown();
   }
 
   // The platform-specific implementation.

asio/src/examples/cpp03/services/stream_socket_service.hpp

@@ -52,7 +52,7 @@ public:
   }
 
   /// Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 

asio/src/examples/cpp11/executors/pipeline.cpp

@@ -43,7 +43,7 @@ private:
     }
 
   private:
-    virtual void shutdown_service()
+    virtual void shutdown()
     {
       for (auto& t : threads_)
         t.join();

asio/src/examples/cpp14/executors/pipeline.cpp

@@ -38,7 +38,7 @@ private:
     }
 
   private:
-    virtual void shutdown_service()
+    virtual void shutdown()
     {
       for (auto& t : threads_)
         t.join();