ceph/src/boost/libs/coroutine/doc/attributes.qbk

   1 [/
   2           Copyright Oliver Kowalke 2009.
   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
   8 [section:attributes Attributes]
   9
  10 Class `attributes` is used to specify parameters required to setup a
  11 coroutine's context.
  12
  13         enum flag_unwind_t
  14         {
  15             stack_unwind,
  16             no_stack_unwind
  17         };
  18
  19         struct attributes
  20         {
  21             std::size_t     size;
  22             flag_unwind_t   do_unwind;
  23
  24             attributes() noexcept;
  25
  26             explicit attributes( std::size_t size_) noexcept;
  27
  28             explicit attributes( flag_unwind_t do_unwind_) noexcept;
  29
  30             explicit attributes( std::size_t size_, flag_unwind_t do_unwind_) noexcept;
  31         };
  32
  33 [heading `attributes()`]
  34 [variablelist
  35 [[Effects:] [Default constructor using `boost::context::default_stacksize()`, does unwind
  36 the stack after coroutine/generator is complete.]]
  37 [[Throws:] [Nothing.]]
  38 ]
  39
  40 [heading `attributes( std::size_t size)`]
  41 [variablelist
  42 [[Effects:] [Argument `size` defines stack size of the new coroutine.
  43 Stack unwinding after termination.]]
  44 [[Throws:] [Nothing.]]
  45 ]
  46
  47 [heading `attributes( flag_unwind_t do_unwind)`]
  48 [variablelist
  49 [[Effects:] [Argument `do_unwind` determines if stack will be unwound after
  50 termination or not. The default stacksize is used for the new coroutine.]]
  51 [[Throws:] [Nothing.]]
  52 ]
  53
  54 [heading `attributes( std::size_t size, flag_unwind_t do_unwind)`]
  55 [variablelist
  56 [[Effects:] [Arguments `size` and `do_unwind` are given by the user.]]
  57 [[Throws:] [Nothing.]]
  58 ]
  59
  60 [endsect]