ceph/src/boost/libs/coroutine2/include/boost/coroutine2/detail/push_control_block_ecv2.hpp

   1
   2 //          Copyright Oliver Kowalke 2014.
   3 // Distributed under the Boost Software License, Version 1.0.
   4 //    (See accompanying file LICENSE_1_0.txt or copy at
   5 //          http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #ifndef BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP
   8 #define BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP
   9
  10 #include <exception>
  11
  12 #include <boost/config.hpp>
  13 #include <boost/context/execution_context.hpp>
  14
  15 #include <boost/coroutine2/detail/state.hpp>
  16
  17 #ifdef BOOST_HAS_ABI_HEADERS
  18 #  include BOOST_ABI_PREFIX
  19 #endif
  20
  21 namespace boost {
  22 namespace coroutines2 {
  23 namespace detail {
  24
  25 template< typename T >
  26 struct push_coroutine< T >::control_block {
  27     boost::context::execution_context< T * >        ctx;
  28     typename pull_coroutine< T >::control_block *   other;
  29     state_t                                         state;
  30     std::exception_ptr                              except;
  31
  32     static void destroy( control_block * cb) noexcept;
  33
  34     template< typename StackAllocator, typename Fn >
  35     control_block( context::preallocated, StackAllocator, Fn &&);
  36
  37     control_block( typename pull_coroutine< T >::control_block *, boost::context::execution_context< T * > &) noexcept;
  38
  39     control_block( control_block &) = delete;
  40     control_block & operator=( control_block &) = delete;
  41
  42     void deallocate() noexcept;
  43
  44     void resume( T const&);
  45
  46     void resume( T &&);
  47
  48     bool valid() const noexcept;
  49 };
  50
  51 template< typename T >
  52 struct push_coroutine< T & >::control_block {
  53     boost::context::execution_context< T * >            ctx;
  54     typename pull_coroutine< T & >::control_block   *   other;
  55     state_t                                             state;
  56     std::exception_ptr                                  except;
  57
  58     static void destroy( control_block * cb) noexcept;
  59
  60     template< typename StackAllocator, typename Fn >
  61     control_block( context::preallocated, StackAllocator, Fn &&);
  62
  63     control_block( typename pull_coroutine< T & >::control_block *, boost::context::execution_context< T * > &) noexcept;
  64
  65     control_block( control_block &) = delete;
  66     control_block & operator=( control_block &) = delete;
  67
  68     void deallocate() noexcept;
  69
  70     void resume( T &);
  71
  72     bool valid() const noexcept;
  73 };
  74
  75 struct push_coroutine< void >::control_block {
  76     boost::context::execution_context< void >   ctx;
  77     pull_coroutine< void >::control_block  *    other;
  78     state_t                                     state;
  79     std::exception_ptr                          except;
  80
  81     static void destroy( control_block * cb) noexcept;
  82
  83     template< typename StackAllocator, typename Fn >
  84     control_block( context::preallocated, StackAllocator, Fn &&);
  85
  86     control_block( pull_coroutine< void >::control_block *, boost::context::execution_context< void > &) noexcept;
  87
  88     control_block( control_block &) = delete;
  89     control_block & operator=( control_block &) = delete;
  90
  91     void deallocate() noexcept;
  92
  93     void resume();
  94
  95     bool valid() const noexcept;
  96 };
  97
  98 }}}
  99
 100 #ifdef BOOST_HAS_ABI_HEADERS
 101 #  include BOOST_ABI_SUFFIX
 102 #endif
 103
 104 #endif // BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_HPP