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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/handler_tracking.hpp
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parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
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-//
-// detail/handler_tracking.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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_DETAIL_HANDLER_TRACKING_HPP
-#define ASIO_DETAIL_HANDLER_TRACKING_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-namespace asio {
-
-class execution_context;
-
-} // namespace asio
-
-#if defined(ASIO_CUSTOM_HANDLER_TRACKING)
-# include ASIO_CUSTOM_HANDLER_TRACKING
-#elif defined(ASIO_ENABLE_HANDLER_TRACKING)
-# include "asio/error_code.hpp"
-# include "asio/detail/cstdint.hpp"
-# include "asio/detail/static_mutex.hpp"
-# include "asio/detail/tss_ptr.hpp"
-#endif // defined(ASIO_ENABLE_HANDLER_TRACKING)
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-#if defined(ASIO_CUSTOM_HANDLER_TRACKING)
-
-// The user-specified header must define the following macros:
-// - ASIO_INHERIT_TRACKED_HANDLER
-// - ASIO_ALSO_INHERIT_TRACKED_HANDLER
-// - ASIO_HANDLER_TRACKING_INIT
-// - ASIO_HANDLER_CREATION(args)
-// - ASIO_HANDLER_COMPLETION(args)
-// - ASIO_HANDLER_INVOCATION_BEGIN(args)
-// - ASIO_HANDLER_INVOCATION_END
-// - ASIO_HANDLER_OPERATION(args)
-// - ASIO_HANDLER_REACTOR_REGISTRATION(args)
-// - ASIO_HANDLER_REACTOR_DEREGISTRATION(args)
-// - ASIO_HANDLER_REACTOR_READ_EVENT
-// - ASIO_HANDLER_REACTOR_WRITE_EVENT
-// - ASIO_HANDLER_REACTOR_ERROR_EVENT
-// - ASIO_HANDLER_REACTOR_EVENTS(args)
-// - ASIO_HANDLER_REACTOR_OPERATION(args)
-
-# if !defined(ASIO_ENABLE_HANDLER_TRACKING)
-# define ASIO_ENABLE_HANDLER_TRACKING 1
-# endif /// !defined(ASIO_ENABLE_HANDLER_TRACKING)
-
-#elif defined(ASIO_ENABLE_HANDLER_TRACKING)
-
-class handler_tracking
-{
-public:
- class completion;
-
- // Base class for objects containing tracked handlers.
- class tracked_handler
- {
- private:
- // Only the handler_tracking class will have access to the id.
- friend class handler_tracking;
- friend class completion;
- uint64_t id_;
-
- protected:
- // Constructor initialises with no id.
- tracked_handler() : id_(0) {}
-
- // Prevent deletion through this type.
- ~tracked_handler() {}
- };
-
- // Initialise the tracking system.
- ASIO_DECL static void init();
-
- // Record the creation of a tracked handler.
- ASIO_DECL static void creation(
- execution_context& context, tracked_handler& h,
- const char* object_type, void* object,
- uintmax_t native_handle, const char* op_name);
-
- class completion
- {
- public:
- // Constructor records that handler is to be invoked with no arguments.
- ASIO_DECL explicit completion(const tracked_handler& h);
-
- // Destructor records only when an exception is thrown from the handler, or
- // if the memory is being freed without the handler having been invoked.
- ASIO_DECL ~completion();
-
- // Records that handler is to be invoked with no arguments.
- ASIO_DECL void invocation_begin();
-
- // Records that handler is to be invoked with one arguments.
- ASIO_DECL void invocation_begin(const asio::error_code& ec);
-
- // Constructor records that handler is to be invoked with two arguments.
- ASIO_DECL void invocation_begin(
- const asio::error_code& ec, std::size_t bytes_transferred);
-
- // Constructor records that handler is to be invoked with two arguments.
- ASIO_DECL void invocation_begin(
- const asio::error_code& ec, int signal_number);
-
- // Constructor records that handler is to be invoked with two arguments.
- ASIO_DECL void invocation_begin(
- const asio::error_code& ec, const char* arg);
-
- // Record that handler invocation has ended.
- ASIO_DECL void invocation_end();
-
- private:
- friend class handler_tracking;
- uint64_t id_;
- bool invoked_;
- completion* next_;
- };
-
- // Record an operation that is not directly associated with a handler.
- ASIO_DECL static void operation(execution_context& context,
- const char* object_type, void* object,
- uintmax_t native_handle, const char* op_name);
-
- // Record that a descriptor has been registered with the reactor.
- ASIO_DECL static void reactor_registration(execution_context& context,
- uintmax_t native_handle, uintmax_t registration);
-
- // Record that a descriptor has been deregistered from the reactor.
- ASIO_DECL static void reactor_deregistration(execution_context& context,
- uintmax_t native_handle, uintmax_t registration);
-
- // Record a reactor-based operation that is associated with a handler.
- ASIO_DECL static void reactor_events(execution_context& context,
- uintmax_t registration, unsigned events);
-
- // Record a reactor-based operation that is associated with a handler.
- ASIO_DECL static void reactor_operation(
- const tracked_handler& h, const char* op_name,
- const asio::error_code& ec);
-
- // Record a reactor-based operation that is associated with a handler.
- ASIO_DECL static void reactor_operation(
- const tracked_handler& h, const char* op_name,
- const asio::error_code& ec, std::size_t bytes_transferred);
-
- // Write a line of output.
- ASIO_DECL static void write_line(const char* format, ...);
-
-private:
- struct tracking_state;
- ASIO_DECL static tracking_state* get_state();
-};
-
-# define ASIO_INHERIT_TRACKED_HANDLER \
- : public asio::detail::handler_tracking::tracked_handler
-
-# define ASIO_ALSO_INHERIT_TRACKED_HANDLER \
- , public asio::detail::handler_tracking::tracked_handler
-
-# define ASIO_HANDLER_TRACKING_INIT \
- asio::detail::handler_tracking::init()
-
-# define ASIO_HANDLER_CREATION(args) \
- asio::detail::handler_tracking::creation args
-
-# define ASIO_HANDLER_COMPLETION(args) \
- asio::detail::handler_tracking::completion tracked_completion args
-
-# define ASIO_HANDLER_INVOCATION_BEGIN(args) \
- tracked_completion.invocation_begin args
-
-# define ASIO_HANDLER_INVOCATION_END \
- tracked_completion.invocation_end()
-
-# define ASIO_HANDLER_OPERATION(args) \
- asio::detail::handler_tracking::operation args
-
-# define ASIO_HANDLER_REACTOR_REGISTRATION(args) \
- asio::detail::handler_tracking::reactor_registration args
-
-# define ASIO_HANDLER_REACTOR_DEREGISTRATION(args) \
- asio::detail::handler_tracking::reactor_deregistration args
-
-# define ASIO_HANDLER_REACTOR_READ_EVENT 1
-# define ASIO_HANDLER_REACTOR_WRITE_EVENT 2
-# define ASIO_HANDLER_REACTOR_ERROR_EVENT 4
-
-# define ASIO_HANDLER_REACTOR_EVENTS(args) \
- asio::detail::handler_tracking::reactor_events args
-
-# define ASIO_HANDLER_REACTOR_OPERATION(args) \
- asio::detail::handler_tracking::reactor_operation args
-
-#else // defined(ASIO_ENABLE_HANDLER_TRACKING)
-
-# define ASIO_INHERIT_TRACKED_HANDLER
-# define ASIO_ALSO_INHERIT_TRACKED_HANDLER
-# define ASIO_HANDLER_TRACKING_INIT (void)0
-# define ASIO_HANDLER_CREATION(args) (void)0
-# define ASIO_HANDLER_COMPLETION(args) (void)0
-# define ASIO_HANDLER_INVOCATION_BEGIN(args) (void)0
-# define ASIO_HANDLER_INVOCATION_END (void)0
-# define ASIO_HANDLER_OPERATION(args) (void)0
-# define ASIO_HANDLER_REACTOR_REGISTRATION(args) (void)0
-# define ASIO_HANDLER_REACTOR_DEREGISTRATION(args) (void)0
-# define ASIO_HANDLER_REACTOR_READ_EVENT 0
-# define ASIO_HANDLER_REACTOR_WRITE_EVENT 0
-# define ASIO_HANDLER_REACTOR_ERROR_EVENT 0
-# define ASIO_HANDLER_REACTOR_EVENTS(args) (void)0
-# define ASIO_HANDLER_REACTOR_OPERATION(args) (void)0
-
-#endif // defined(ASIO_ENABLE_HANDLER_TRACKING)
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#if defined(ASIO_HEADER_ONLY)
-# include "asio/detail/impl/handler_tracking.ipp"
-#endif // defined(ASIO_HEADER_ONLY)
-
-#endif // ASIO_DETAIL_HANDLER_TRACKING_HPP