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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/asio/detail/call_stack.hpp')
-rw-r--r-- | src/third_party/boost-1.56.0/boost/asio/detail/call_stack.hpp | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/third_party/boost-1.56.0/boost/asio/detail/call_stack.hpp b/src/third_party/boost-1.56.0/boost/asio/detail/call_stack.hpp deleted file mode 100644 index 62aeb40a6ac..00000000000 --- a/src/third_party/boost-1.56.0/boost/asio/detail/call_stack.hpp +++ /dev/null @@ -1,127 +0,0 @@ -// -// detail/call_stack.hpp -// ~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2014 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 BOOST_ASIO_DETAIL_CALL_STACK_HPP -#define BOOST_ASIO_DETAIL_CALL_STACK_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include <boost/asio/detail/config.hpp> -#include <boost/asio/detail/noncopyable.hpp> -#include <boost/asio/detail/tss_ptr.hpp> - -#include <boost/asio/detail/push_options.hpp> - -namespace boost { -namespace asio { -namespace detail { - -// Helper class to determine whether or not the current thread is inside an -// invocation of io_service::run() for a specified io_service object. -template <typename Key, typename Value = unsigned char> -class call_stack -{ -public: - // Context class automatically pushes the key/value pair on to the stack. - class context - : private noncopyable - { - public: - // Push the key on to the stack. - explicit context(Key* k) - : key_(k), - next_(call_stack<Key, Value>::top_) - { - value_ = reinterpret_cast<unsigned char*>(this); - call_stack<Key, Value>::top_ = this; - } - - // Push the key/value pair on to the stack. - context(Key* k, Value& v) - : key_(k), - value_(&v), - next_(call_stack<Key, Value>::top_) - { - call_stack<Key, Value>::top_ = this; - } - - // Pop the key/value pair from the stack. - ~context() - { - call_stack<Key, Value>::top_ = next_; - } - - // Find the next context with the same key. - Value* next_by_key() const - { - context* elem = next_; - while (elem) - { - if (elem->key_ == key_) - return elem->value_; - elem = elem->next_; - } - return 0; - } - - private: - friend class call_stack<Key, Value>; - - // The key associated with the context. - Key* key_; - - // The value associated with the context. - Value* value_; - - // The next element in the stack. - context* next_; - }; - - friend class context; - - // Determine whether the specified owner is on the stack. Returns address of - // key if present, 0 otherwise. - static Value* contains(Key* k) - { - context* elem = top_; - while (elem) - { - if (elem->key_ == k) - return elem->value_; - elem = elem->next_; - } - return 0; - } - - // Obtain the value at the top of the stack. - static Value* top() - { - context* elem = top_; - return elem ? elem->value_ : 0; - } - -private: - // The top of the stack of calls for the current thread. - static tss_ptr<context> top_; -}; - -template <typename Key, typename Value> -tss_ptr<typename call_stack<Key, Value>::context> -call_stack<Key, Value>::top_; - -} // namespace detail -} // namespace asio -} // namespace boost - -#include <boost/asio/detail/pop_options.hpp> - -#endif // BOOST_ASIO_DETAIL_CALL_STACK_HPP |