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Diffstat (limited to '3rdparty/asio/src/doc/requirements/Service.qbk')
-rw-r--r-- | 3rdparty/asio/src/doc/requirements/Service.qbk | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/3rdparty/asio/src/doc/requirements/Service.qbk b/3rdparty/asio/src/doc/requirements/Service.qbk deleted file mode 100644 index 24a1ae584e4..00000000000 --- a/3rdparty/asio/src/doc/requirements/Service.qbk +++ /dev/null @@ -1,40 +0,0 @@ -[/ - / Copyright (c) 2003-2016 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) - /] - -[section:Service Service requirements] - -A class is a ['service] if it is publicly and unambiguously derived from -`execution_context::service`, or if it is publicly and unambiguously derived -from another service. For a service `S`, `S::key_type` shall be valid and -denote a type (C++Std [temp.deduct]), `is_base_of_v<typename S::key_type, S>` -shall be `true`, and `S` shall satisfy the `Destructible` requirements (C++Std -[destructible]). - -The first parameter of all service constructors shall be an lvalue reference to -`execution_context`. This parameter denotes the `execution_context` object that -represents a set of services, of which the service object will be a member. -[inline_note These constructors may be called by the `make_service` function.] - -A service shall provide an explicit constructor with a single parameter of -lvalue reference to `execution_context`. [inline_note This constructor may be -called by the `use_service` function.] - - class my_service : public execution_context::service - { - public: - typedef my_service key_type; - explicit my_service(execution_context& ctx); - my_service(execution_context& ctx, int some_value); - private: - virtual void shutdown() noexcept override; - ... - }; - -A service's `shutdown` member function shall destroy all copies of user-defined -function objects that are held by the service. - -[endsect] |