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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:24:46 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:25:39 +0900
commit4fadd968fa12130524c8380f33fcfe25d4de79e5 (patch)
treefd26a490cd15388d42fc6652b3c5c13012e7f93e /boost/coroutine2/detail/push_control_block_ecv1.ipp
parentb5c87084afaef42b2d058f68091be31988a6a874 (diff)
downloadboost-upstream/1.65.0.tar.gz
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Imported Upstream version 1.65.0upstream/1.65.0
Change-Id: Icf8400b375482cb11bcf77440a6934ba360d6ba4 Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/coroutine2/detail/push_control_block_ecv1.ipp')
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diff --git a/boost/coroutine2/detail/push_control_block_ecv1.ipp b/boost/coroutine2/detail/push_control_block_ecv1.ipp
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@@ -1,428 +0,0 @@
-
-// Copyright Oliver Kowalke 2014.
-// 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_PUSH_CONTROL_BLOCK_IPP
-#define BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_IPP
-
-#include <algorithm>
-#include <exception>
-#include <functional>
-#include <memory>
-
-#include <boost/assert.hpp>
-#include <boost/config.hpp>
-
-#include <boost/context/execution_context.hpp>
-
-#include <boost/coroutine2/detail/config.hpp>
-#include <boost/coroutine2/detail/decay_copy.hpp>
-#include <boost/coroutine2/detail/forced_unwind.hpp>
-#include <boost/coroutine2/detail/state.hpp>
-#include <boost/coroutine2/detail/wrap.hpp>
-
-#ifdef BOOST_HAS_ABI_HEADERS
-# include BOOST_ABI_PREFIX
-#endif
-
-namespace boost {
-namespace coroutines2 {
-namespace detail {
-
-// push_coroutine< T >
-
-template< typename T >
-void
-push_coroutine< T >::control_block::destroy( control_block * cb) noexcept {
- boost::context::execution_context ctx = cb->ctx;
- // destroy control structure
- cb->state |= state_t::destroy;
- cb->~control_block();
-}
-
-template< typename T >
-template< typename StackAllocator, typename Fn >
-push_coroutine< T >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
- Fn && fn) :
-#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
- ctx{ std::allocator_arg, palloc, salloc,
- wrap( [this]( typename std::decay< Fn >::type & fn_, boost::context::execution_context & ctx, void * vp) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< T >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< T > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- T * t = static_cast< T * >( ctx() );
- // set transferred value
- synthesized_cb.set( t);
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- },
- std::forward< Fn >( fn),
- boost::context::execution_context::current() ) },
-#else
- ctx{ std::allocator_arg, palloc, salloc,
- [this,fn_=decay_copy( std::forward< Fn >( fn) ),ctx=boost::context::execution_context::current()] (void *) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< T >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< T > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- T * t = static_cast< T * >( ctx() );
- // set transferred value
- synthesized_cb.set( t);
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- }},
-#endif
- other{ nullptr },
- state{ state_t::unwind },
- except{} {
- // enter coroutine-fn in order to get other set
- ctx();
-}
-
-template< typename T >
-push_coroutine< T >::control_block::control_block( typename pull_coroutine< T >::control_block * cb,
- boost::context::execution_context const& ctx_) noexcept :
- ctx{ ctx_ },
- other{ cb },
- state{ state_t::none },
- except{} {
-}
-
-template< typename T >
-push_coroutine< T >::control_block::~control_block() {
- if ( state_t::none == ( state & state_t::complete) &&
- state_t::none != ( state & state_t::unwind) ) {
- // unwind coroutine stack
- other->ctx = boost::context::execution_context::current();
- ctx( context::exec_ontop_arg, unwind_coroutine);
- }
-}
-
-template< typename T >
-void
-push_coroutine< T >::control_block::deallocate() noexcept {
- if ( state_t::none != ( state & state_t::unwind) ) {
- destroy( this);
- }
-}
-
-template< typename T >
-void
-push_coroutine< T >::control_block::resume( T const& t) {
- other->ctx = boost::context::execution_context::current();
- // pass an pointer to other context
- ctx( const_cast< T * >( & t) );
- if ( except) {
- std::rethrow_exception( except);
- }
-}
-
-template< typename T >
-void
-push_coroutine< T >::control_block::resume( T && t) {
- other->ctx = boost::context::execution_context::current();
- // pass an pointer to other context
- ctx( std::addressof( t) );
- if ( except) {
- std::rethrow_exception( except);
- }
-}
-
-template< typename T >
-bool
-push_coroutine< T >::control_block::valid() const noexcept {
- return state_t::none == ( state & state_t::complete );
-}
-
-
-// push_coroutine< T & >
-
-template< typename T >
-void
-push_coroutine< T & >::control_block::destroy( control_block * cb) noexcept {
- boost::context::execution_context ctx = cb->ctx;
- // destroy control structure
- cb->state |= state_t::destroy;
- cb->~control_block();
-}
-
-template< typename T >
-template< typename StackAllocator, typename Fn >
-push_coroutine< T & >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
- Fn && fn) :
-#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
- ctx{ std::allocator_arg, palloc, salloc,
- wrap( [this]( typename std::decay< Fn >::type & fn_, boost::context::execution_context & ctx, void * vp) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< T & >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< T & > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- T * t = static_cast< T * >( ctx() );
- // set transferred value
- synthesized_cb.t = t;
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- },
- std::forward< Fn >( fn),
- boost::context::execution_context::current() ) },
-#else
- ctx{ std::allocator_arg, palloc, salloc,
- [this,fn_=decay_copy( std::forward< Fn >( fn) ),ctx=boost::context::execution_context::current()] (void *) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< T & >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< T & > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- T * t = static_cast< T * >( ctx() );
- // set transferred value
- synthesized_cb.t = t;
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- }},
-#endif
- other{ nullptr },
- state{ state_t::unwind },
- except{} {
- // enter coroutine-fn in order to get other set
- ctx();
-}
-
-template< typename T >
-push_coroutine< T & >::control_block::control_block( typename pull_coroutine< T & >::control_block * cb,
- boost::context::execution_context const& ctx_) noexcept :
- ctx{ ctx_ },
- other{ cb },
- state{ state_t::none },
- except{} {
-}
-
-template< typename T >
-push_coroutine< T & >::control_block::~control_block() {
- if ( state_t::none == ( state & state_t::complete) &&
- state_t::none != ( state & state_t::unwind) ) {
- // unwind coroutine stack
- other->ctx = boost::context::execution_context::current();
- ctx( context::exec_ontop_arg, unwind_coroutine);
- }
-}
-
-template< typename T >
-void
-push_coroutine< T & >::control_block::deallocate() noexcept {
- if ( state_t::none != ( state & state_t::unwind) ) {
- destroy( this);
- }
-}
-
-template< typename T >
-void
-push_coroutine< T & >::control_block::resume( T & t) {
- other->ctx = boost::context::execution_context::current();
- // pass an pointer to other context
- ctx( const_cast< typename std::remove_const< T >::type * >( std::addressof( t) ) );
- if ( except) {
- std::rethrow_exception( except);
- }
-}
-
-template< typename T >
-bool
-push_coroutine< T & >::control_block::valid() const noexcept {
- return state_t::none == ( state & state_t::complete );
-}
-
-
-// push_coroutine< void >
-
-inline
-void
-push_coroutine< void >::control_block::destroy( control_block * cb) noexcept {
- boost::context::execution_context ctx = cb->ctx;
- // destroy control structure
- cb->state |= state_t::destroy;
- cb->~control_block();
-}
-
-template< typename StackAllocator, typename Fn >
-push_coroutine< void >::control_block::control_block( context::preallocated palloc, StackAllocator salloc, Fn && fn) :
-#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
- ctx{ std::allocator_arg, palloc, salloc,
- wrap( [this]( typename std::decay< Fn >::type & fn_, boost::context::execution_context & ctx,
- void * vp) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< void >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< void > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- ctx();
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- },
- std::forward< Fn >( fn),
- boost::context::execution_context::current() ) },
-#else
- ctx{ std::allocator_arg, palloc, salloc,
- [this,fn_=decay_copy( std::forward< Fn >( fn) ),ctx=boost::context::execution_context::current()] (void *) mutable noexcept {
- // create synthesized pull_coroutine< T >
- typename pull_coroutine< void >::control_block synthesized_cb{ this, ctx };
- pull_coroutine< void > synthesized{ & synthesized_cb };
- other = & synthesized_cb;
- if ( state_t::none == ( state & state_t::destroy) ) {
- try {
- // jump back to ctor
- ctx();
- auto fn = std::move( fn_);
- // call coroutine-fn with synthesized pull_coroutine as argument
- fn( synthesized);
- } catch ( forced_unwind const&) {
- // do nothing for unwinding exception
- } catch (...) {
- // store other exceptions in exception-pointer
- except = std::current_exception();
- }
- }
- // set termination flags
- state |= state_t::complete;
- // jump back to ctx
- other->ctx();
- BOOST_ASSERT_MSG( false, "push_coroutine is complete");
- }},
-#endif
- other{ nullptr },
- state{ state_t::unwind },
- except{} {
- // enter coroutine-fn in order to get other set
- ctx();
-}
-
-inline
-push_coroutine< void >::control_block::control_block( pull_coroutine< void >::control_block * cb,
- boost::context::execution_context const& ctx_) noexcept :
- ctx{ ctx_ },
- other{ cb },
- state{ state_t::none },
- except{} {
-}
-
-inline
-push_coroutine< void >::control_block::~control_block() {
- if ( state_t::none == ( state & state_t::complete) &&
- state_t::none != ( state & state_t::unwind) ) {
- // unwind coroutine stack
- other->ctx = boost::context::execution_context::current();
- ctx( context::exec_ontop_arg, unwind_coroutine);
- }
-}
-
-inline
-void
-push_coroutine< void >::control_block::deallocate() noexcept {
- if ( state_t::none != ( state & state_t::unwind) ) {
- destroy( this);
- }
-}
-
-inline
-void
-push_coroutine< void >::control_block::resume() {
- other->ctx = boost::context::execution_context::current();
- ctx();
- if ( except) {
- std::rethrow_exception( except);
- }
-}
-
-inline
-bool
-push_coroutine< void >::control_block::valid() const noexcept {
- return state_t::none == ( state & state_t::complete );
-}
-
-}}}
-
-#ifdef BOOST_HAS_ABI_HEADERS
-# include BOOST_ABI_SUFFIX
-#endif
-
-#endif // BOOST_COROUTINES2_DETAIL_PUSH_CONTROL_BLOCK_IPP