projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
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_FIBER_DETAIL_WRAP_H | |
| 8 | #define BOOST_FIBER_DETAIL_WRAP_H | |
| 9 | ||
| 10 | #include <type_traits> | |
| 11 | ||
| 12 | #include <boost/config.hpp> | |
| 13 | #include <boost/context/detail/invoke.hpp> | |
| 14 | #include <boost/context/execution_context.hpp> | |
| 15 | ||
| 16 | #include <boost/fiber/detail/config.hpp> | |
| 17 | #include <boost/fiber/detail/data.hpp> | |
| 18 | ||
| 19 | #ifdef BOOST_HAS_ABI_HEADERS | |
| 20 | # include BOOST_ABI_PREFIX | |
| 21 | #endif | |
| 22 | ||
| 23 | namespace boost { | |
| 24 | namespace fibers { | |
| 25 | namespace detail { | |
| 26 | ||
| 27 | #if (BOOST_EXECUTION_CONTEXT==1) | |
| 28 | template< typename Fn1, typename Fn2, typename Tpl > | |
| 29 | class wrapper { | |
| 30 | private: | |
| 31 | typename std::decay< Fn1 >::type fn1_; | |
| 32 | typename std::decay< Fn2 >::type fn2_; | |
| 33 | typename std::decay< Tpl >::type tpl_; | |
| 34 | boost::context::execution_context ctx_; | |
| 35 | ||
| 36 | public: | |
| 37 | wrapper( Fn1 && fn1, Fn2 && fn2, Tpl && tpl, | |
| 38 | boost::context::execution_context const& ctx) : | |
| 39 | fn1_( std::move( fn1) ), | |
| 40 | fn2_( std::move( fn2) ), | |
| 41 | tpl_( std::move( tpl) ), | |
| 42 | ctx_{ ctx } { | |
| 43 | } | |
| 44 | ||
| 45 | wrapper( wrapper const&) = delete; | |
| 46 | wrapper & operator=( wrapper const&) = delete; | |
| 47 | ||
| 48 | wrapper( wrapper && other) = default; | |
| 49 | wrapper & operator=( wrapper && other) = default; | |
| 50 | ||
| 51 | void operator()( void * vp) { | |
| 52 | boost::context::detail::invoke( | |
| 53 | std::move( fn1_), | |
| 54 | fn2_, tpl_, ctx_, vp); | |
| 55 | } | |
| 56 | }; | |
| 57 | ||
| 58 | template< typename Fn1, typename Fn2, typename Tpl > | |
| 59 | wrapper< Fn1, Fn2, Tpl > | |
| 60 | wrap( Fn1 && fn1, Fn2 && fn2, Tpl && tpl, | |
| 61 | boost::context::execution_context const& ctx) { | |
| 62 | return wrapper< Fn1, Fn2, Tpl >( | |
| 63 | std::forward< Fn1 >( fn1), | |
| 64 | std::forward< Fn2 >( fn2), | |
| 65 | std::forward< Tpl >( tpl), | |
| 66 | ctx); | |
| 67 | } | |
| 68 | #else | |
| 69 | template< typename Fn1, typename Fn2, typename Tpl > | |
| 70 | class wrapper { | |
| 71 | private: | |
| 72 | typename std::decay< Fn1 >::type fn1_; | |
| 73 | typename std::decay< Fn2 >::type fn2_; | |
| 74 | typename std::decay< Tpl >::type tpl_; | |
| 75 | ||
| 76 | public: | |
| 77 | wrapper( Fn1 && fn1, Fn2 && fn2, Tpl && tpl) : | |
| 78 | fn1_( std::move( fn1) ), | |
| 79 | fn2_( std::move( fn2) ), | |
| 80 | tpl_( std::move( tpl) ) { | |
| 81 | } | |
| 82 | ||
| 83 | wrapper( wrapper const&) = delete; | |
| 84 | wrapper & operator=( wrapper const&) = delete; | |
| 85 | ||
| 86 | wrapper( wrapper && other) = default; | |
| 87 | wrapper & operator=( wrapper && other) = default; | |
| 88 | ||
| 89 | boost::context::execution_context< data_t * > | |
| 90 | operator()( boost::context::execution_context< data_t * > ctx, data_t * dp) { | |
| 91 | return boost::context::detail::invoke( | |
| 92 | std::move( fn1_), | |
| 93 | fn2_, tpl_, std::move( ctx), dp); | |
| 94 | } | |
| 95 | }; | |
| 96 | ||
| 97 | template< typename Fn1, typename Fn2, typename Tpl > | |
| 98 | wrapper< Fn1, Fn2, Tpl > | |
| 99 | wrap( Fn1 && fn1, Fn2 && fn2, Tpl && tpl) { | |
| 100 | return wrapper< Fn1, Fn2, Tpl >( | |
| 101 | std::forward< Fn1 >( fn1), | |
| 102 | std::forward< Fn2 >( fn2), | |
| 103 | std::forward< Tpl >( tpl) ); | |
| 104 | } | |
| 105 | #endif | |
| 106 | ||
| 107 | }}} | |
| 108 | ||
| 109 | #ifdef BOOST_HAS_ABI_HEADERS | |
| 110 | #include BOOST_ABI_SUFFIX | |
| 111 | #endif | |
| 112 | ||
| 113 | #endif // BOOST_FIBER_DETAIL_WRAP_H |