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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:08:07 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:09:00 +0900
commitb5c87084afaef42b2d058f68091be31988a6a874 (patch)
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parent34bd32e225e2a8a94104489b31c42e5801cc1f4a (diff)
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Imported Upstream version 1.64.0upstream/1.64.0
Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/coroutine2/detail/pull_control_block_cc.hpp')
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+
+// Copyright Oliver Kowalke 2016.
+// 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_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP
+#define BOOST_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP
+
+#include <exception>
+#include <type_traits>
+
+#include <boost/config.hpp>
+#include <boost/context/continuation.hpp>
+
+#include <boost/coroutine2/detail/state.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace coroutines2 {
+namespace detail {
+
+template< typename T >
+struct pull_coroutine< T >::control_block {
+ boost::context::continuation c;
+ typename push_coroutine< T >::control_block * other;
+ state_t state;
+ std::exception_ptr except;
+ bool bvalid;
+ typename std::aligned_storage< sizeof( T), alignof( T) >::type storage;
+
+ static void destroy( control_block * cb) noexcept;
+
+ template< typename StackAllocator, typename Fn >
+ control_block( context::preallocated, StackAllocator, Fn &&);
+
+ control_block( typename push_coroutine< T >::control_block *, boost::context::continuation &) noexcept;
+
+ ~control_block();
+
+ control_block( control_block &) = delete;
+ control_block & operator=( control_block &) = delete;
+
+ void deallocate() noexcept;
+
+ void resume();
+
+ void set( T const&);
+ void set( T &&);
+ void reset();
+
+ T & get() noexcept;
+
+ bool valid() const noexcept;
+};
+
+template< typename T >
+struct pull_coroutine< T & >::control_block {
+ struct holder {
+ T & t;
+
+ holder( T & t_) :
+ t{ t_ } {
+ }
+ };
+
+ boost::context::continuation c;
+ typename push_coroutine< T & >::control_block * other;
+ state_t state;
+ std::exception_ptr except;
+ bool bvalid;
+ typename std::aligned_storage< sizeof( holder), alignof( holder) >::type storage;
+
+ static void destroy( control_block * cb) noexcept;
+
+ template< typename StackAllocator, typename Fn >
+ control_block( context::preallocated, StackAllocator, Fn &&);
+
+ control_block( typename push_coroutine< T & >::control_block *, boost::context::continuation &) noexcept;
+
+ control_block( control_block &) = delete;
+ control_block & operator=( control_block &) = delete;
+
+ void deallocate() noexcept;
+
+ void resume();
+
+ void set( T &);
+ void reset();
+
+ T & get() noexcept;
+
+ bool valid() const noexcept;
+};
+
+struct pull_coroutine< void >::control_block {
+ boost::context::continuation c;
+ push_coroutine< void >::control_block * other;
+ state_t state;
+ std::exception_ptr except;
+
+ static void destroy( control_block * cb) noexcept;
+
+ template< typename StackAllocator, typename Fn >
+ control_block( context::preallocated, StackAllocator, Fn &&);
+
+ control_block( push_coroutine< void >::control_block *, boost::context::continuation &) noexcept;
+
+ control_block( control_block &) = delete;
+ control_block & operator=( control_block &) = delete;
+
+ void deallocate() noexcept;
+
+ void resume();
+
+ bool valid() const noexcept;
+};
+
+}}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP