ceph/src/boost/boost/coroutine/detail/trampoline.hpp

   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 #ifndef BOOST_COROUTINES_DETAIL_TRAMPOLINE_H
   8 #define BOOST_COROUTINES_DETAIL_TRAMPOLINE_H
   9
  10 #include <boost/assert.hpp>
  11 #include <boost/config.hpp>
  12 #include <boost/context/detail/fcontext.hpp>
  13 #include <boost/cstdint.hpp>
  14
  15 #include <boost/coroutine/detail/config.hpp>
  16 #include <boost/coroutine/detail/data.hpp>
  17
  18 #ifdef BOOST_HAS_ABI_HEADERS
  19 #  include BOOST_ABI_PREFIX
  20 #endif
  21
  22 namespace boost {
  23 namespace coroutines {
  24 namespace detail {
  25
  26 template< typename Coro >
  27 void trampoline( context::detail::transfer_t t)
  28 {
  29     typedef typename Coro::param_type   param_type;
  30
  31     data_t * data = static_cast< data_t * >( t.data);
  32     data->from->ctx_ = t.fctx;
  33     param_type * param(
  34         static_cast< param_type * >( data->data) );
  35     BOOST_ASSERT( 0 != param);
  36     BOOST_ASSERT( 0 != param->data);
  37
  38     Coro * coro(
  39         static_cast< Coro * >( param->coro) );
  40     BOOST_ASSERT( 0 != coro);
  41
  42     coro->run( param->data);
  43 }
  44
  45 template< typename Coro >
  46 void trampoline_void( context::detail::transfer_t t)
  47 {
  48     typedef typename Coro::param_type   param_type;
  49
  50     data_t * data = static_cast< data_t * >( t.data);
  51     data->from->ctx_ = t.fctx;
  52     param_type * param(
  53         static_cast< param_type * >( data->data) );
  54     BOOST_ASSERT( 0 != param);
  55
  56     Coro * coro(
  57         static_cast< Coro * >( param->coro) );
  58     BOOST_ASSERT( 0 != coro);
  59
  60     coro->run();
  61 }
  62
  63 }}}
  64
  65 #ifdef BOOST_HAS_ABI_HEADERS
  66 #  include BOOST_ABI_SUFFIX
  67 #endif
  68
  69 #endif // BOOST_COROUTINES_DETAIL_TRAMPOLINE_H