annotate DEPENDENCIES/generic/include/boost/asio/detail/handler_tracking.hpp @ 125:34e428693f5d vext

Vext -> Repoint
author Chris Cannam
date Thu, 14 Jun 2018 11:15:39 +0100
parents c530137014c0
children
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Chris@16 1 //
Chris@16 2 // detail/handler_tracking.hpp
Chris@16 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
Chris@16 4 //
Chris@101 5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16 6 //
Chris@16 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 9 //
Chris@16 10
Chris@16 11 #ifndef BOOST_ASIO_DETAIL_HANDLER_TRACKING_HPP
Chris@16 12 #define BOOST_ASIO_DETAIL_HANDLER_TRACKING_HPP
Chris@16 13
Chris@16 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16 15 # pragma once
Chris@16 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16 17
Chris@16 18 #include <boost/asio/detail/config.hpp>
Chris@16 19
Chris@16 20 #if defined(BOOST_ASIO_ENABLE_HANDLER_TRACKING)
Chris@16 21 # include <boost/system/error_code.hpp>
Chris@16 22 # include <boost/asio/detail/cstdint.hpp>
Chris@16 23 # include <boost/asio/detail/static_mutex.hpp>
Chris@16 24 # include <boost/asio/detail/tss_ptr.hpp>
Chris@16 25 #endif // defined(BOOST_ASIO_ENABLE_HANDLER_TRACKING)
Chris@16 26
Chris@16 27 #include <boost/asio/detail/push_options.hpp>
Chris@16 28
Chris@16 29 namespace boost {
Chris@16 30 namespace asio {
Chris@16 31 namespace detail {
Chris@16 32
Chris@16 33 #if defined(BOOST_ASIO_ENABLE_HANDLER_TRACKING)
Chris@16 34
Chris@16 35 class handler_tracking
Chris@16 36 {
Chris@16 37 public:
Chris@16 38 class completion;
Chris@16 39
Chris@16 40 // Base class for objects containing tracked handlers.
Chris@16 41 class tracked_handler
Chris@16 42 {
Chris@16 43 private:
Chris@16 44 // Only the handler_tracking class will have access to the id.
Chris@16 45 friend class handler_tracking;
Chris@16 46 friend class completion;
Chris@16 47 uint64_t id_;
Chris@16 48
Chris@16 49 protected:
Chris@16 50 // Constructor initialises with no id.
Chris@16 51 tracked_handler() : id_(0) {}
Chris@16 52
Chris@16 53 // Prevent deletion through this type.
Chris@16 54 ~tracked_handler() {}
Chris@16 55 };
Chris@16 56
Chris@16 57 // Initialise the tracking system.
Chris@16 58 BOOST_ASIO_DECL static void init();
Chris@16 59
Chris@16 60 // Record the creation of a tracked handler.
Chris@16 61 BOOST_ASIO_DECL static void creation(tracked_handler* h,
Chris@16 62 const char* object_type, void* object, const char* op_name);
Chris@16 63
Chris@16 64 class completion
Chris@16 65 {
Chris@16 66 public:
Chris@16 67 // Constructor records that handler is to be invoked with no arguments.
Chris@16 68 BOOST_ASIO_DECL explicit completion(tracked_handler* h);
Chris@16 69
Chris@16 70 // Destructor records only when an exception is thrown from the handler, or
Chris@16 71 // if the memory is being freed without the handler having been invoked.
Chris@16 72 BOOST_ASIO_DECL ~completion();
Chris@16 73
Chris@16 74 // Records that handler is to be invoked with no arguments.
Chris@16 75 BOOST_ASIO_DECL void invocation_begin();
Chris@16 76
Chris@16 77 // Records that handler is to be invoked with one arguments.
Chris@16 78 BOOST_ASIO_DECL void invocation_begin(const boost::system::error_code& ec);
Chris@16 79
Chris@16 80 // Constructor records that handler is to be invoked with two arguments.
Chris@16 81 BOOST_ASIO_DECL void invocation_begin(
Chris@16 82 const boost::system::error_code& ec, std::size_t bytes_transferred);
Chris@16 83
Chris@16 84 // Constructor records that handler is to be invoked with two arguments.
Chris@16 85 BOOST_ASIO_DECL void invocation_begin(
Chris@16 86 const boost::system::error_code& ec, int signal_number);
Chris@16 87
Chris@16 88 // Constructor records that handler is to be invoked with two arguments.
Chris@16 89 BOOST_ASIO_DECL void invocation_begin(
Chris@16 90 const boost::system::error_code& ec, const char* arg);
Chris@16 91
Chris@16 92 // Record that handler invocation has ended.
Chris@16 93 BOOST_ASIO_DECL void invocation_end();
Chris@16 94
Chris@16 95 private:
Chris@16 96 friend class handler_tracking;
Chris@16 97 uint64_t id_;
Chris@16 98 bool invoked_;
Chris@16 99 completion* next_;
Chris@16 100 };
Chris@16 101
Chris@16 102 // Record an operation that affects pending handlers.
Chris@16 103 BOOST_ASIO_DECL static void operation(const char* object_type,
Chris@16 104 void* object, const char* op_name);
Chris@16 105
Chris@16 106 // Write a line of output.
Chris@16 107 BOOST_ASIO_DECL static void write_line(const char* format, ...);
Chris@16 108
Chris@16 109 private:
Chris@16 110 struct tracking_state;
Chris@16 111 BOOST_ASIO_DECL static tracking_state* get_state();
Chris@16 112 };
Chris@16 113
Chris@16 114 # define BOOST_ASIO_INHERIT_TRACKED_HANDLER \
Chris@16 115 : public boost::asio::detail::handler_tracking::tracked_handler
Chris@16 116
Chris@16 117 # define BOOST_ASIO_ALSO_INHERIT_TRACKED_HANDLER \
Chris@16 118 , public boost::asio::detail::handler_tracking::tracked_handler
Chris@16 119
Chris@16 120 # define BOOST_ASIO_HANDLER_TRACKING_INIT \
Chris@16 121 boost::asio::detail::handler_tracking::init()
Chris@16 122
Chris@16 123 # define BOOST_ASIO_HANDLER_CREATION(args) \
Chris@16 124 boost::asio::detail::handler_tracking::creation args
Chris@16 125
Chris@16 126 # define BOOST_ASIO_HANDLER_COMPLETION(args) \
Chris@16 127 boost::asio::detail::handler_tracking::completion tracked_completion args
Chris@16 128
Chris@16 129 # define BOOST_ASIO_HANDLER_INVOCATION_BEGIN(args) \
Chris@16 130 tracked_completion.invocation_begin args
Chris@16 131
Chris@16 132 # define BOOST_ASIO_HANDLER_INVOCATION_END \
Chris@16 133 tracked_completion.invocation_end()
Chris@16 134
Chris@16 135 # define BOOST_ASIO_HANDLER_OPERATION(args) \
Chris@16 136 boost::asio::detail::handler_tracking::operation args
Chris@16 137
Chris@16 138 #else // defined(BOOST_ASIO_ENABLE_HANDLER_TRACKING)
Chris@16 139
Chris@16 140 # define BOOST_ASIO_INHERIT_TRACKED_HANDLER
Chris@16 141 # define BOOST_ASIO_ALSO_INHERIT_TRACKED_HANDLER
Chris@16 142 # define BOOST_ASIO_HANDLER_TRACKING_INIT (void)0
Chris@16 143 # define BOOST_ASIO_HANDLER_CREATION(args) (void)0
Chris@16 144 # define BOOST_ASIO_HANDLER_COMPLETION(args) (void)0
Chris@16 145 # define BOOST_ASIO_HANDLER_INVOCATION_BEGIN(args) (void)0
Chris@16 146 # define BOOST_ASIO_HANDLER_INVOCATION_END (void)0
Chris@16 147 # define BOOST_ASIO_HANDLER_OPERATION(args) (void)0
Chris@16 148
Chris@16 149 #endif // defined(BOOST_ASIO_ENABLE_HANDLER_TRACKING)
Chris@16 150
Chris@16 151 } // namespace detail
Chris@16 152 } // namespace asio
Chris@16 153 } // namespace boost
Chris@16 154
Chris@16 155 #include <boost/asio/detail/pop_options.hpp>
Chris@16 156
Chris@16 157 #if defined(BOOST_ASIO_HEADER_ONLY)
Chris@16 158 # include <boost/asio/detail/impl/handler_tracking.ipp>
Chris@16 159 #endif // defined(BOOST_ASIO_HEADER_ONLY)
Chris@16 160
Chris@16 161 #endif // BOOST_ASIO_DETAIL_HANDLER_TRACKING_HPP