mirror of
https://github.com/boostorg/coroutine2.git
synced 2025-05-09 15:14:01 +00:00
perfect forwarding of stack allocator
This commit is contained in:
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6317f864cb
commit
40cbfe5c01
@ -28,7 +28,7 @@ namespace coroutines2 {
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namespace detail {
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template< typename ControlBlock, typename StackAllocator, typename Fn >
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ControlBlock * create_control_block( StackAllocator salloc, Fn && fn) {
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ControlBlock * create_control_block( StackAllocator && salloc, Fn && fn) {
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auto sctx = salloc.allocate();
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// reserve space for control structure
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#if defined(BOOST_NO_CXX11_CONSTEXPR) || defined(BOOST_NO_CXX11_STD_ALIGN)
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@ -48,7 +48,7 @@ ControlBlock * create_control_block( StackAllocator salloc, Fn && fn) {
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#endif
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// placment new for control structure on coroutine stack
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return new ( sp) ControlBlock{ context::preallocated( sp, size, sctx),
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salloc, std::forward< Fn >( fn) };
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std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) };
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}
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}}}
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@ -35,7 +35,7 @@ struct pull_coroutine< T >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( typename push_coroutine< T >::control_block *, boost::context::continuation &) noexcept;
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@ -76,7 +76,7 @@ struct pull_coroutine< T & >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( typename push_coroutine< T & >::control_block *, boost::context::continuation &) noexcept;
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@ -103,7 +103,7 @@ struct pull_coroutine< void >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( push_coroutine< void >::control_block *, boost::context::continuation &) noexcept;
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@ -43,7 +43,7 @@ pull_coroutine< T >::control_block::destroy( control_block * cb) noexcept {
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template< typename T >
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template< typename StackAllocator, typename Fn >
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pull_coroutine< T >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
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pull_coroutine< T >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc,
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Fn && fn) :
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c{},
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other{ nullptr },
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@ -53,7 +53,7 @@ pull_coroutine< T >::control_block::control_block( context::preallocated palloc,
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storage{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< T >
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typename push_coroutine< T >::control_block synthesized_cb{ this, c };
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@ -79,7 +79,7 @@ pull_coroutine< T >::control_block::control_block( context::preallocated palloc,
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)](boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< T >
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typename push_coroutine< T >::control_block synthesized_cb{ this, c };
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@ -193,7 +193,7 @@ pull_coroutine< T & >::control_block::destroy( control_block * cb) noexcept {
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template< typename T >
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template< typename StackAllocator, typename Fn >
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pull_coroutine< T & >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
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pull_coroutine< T & >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc,
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Fn && fn) :
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c{},
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other{ nullptr },
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@ -203,7 +203,7 @@ pull_coroutine< T & >::control_block::control_block( context::preallocated pallo
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storage{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< T & >
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typename push_coroutine< T & >::control_block synthesized_cb{ this, c };
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@ -229,7 +229,7 @@ pull_coroutine< T & >::control_block::control_block( context::preallocated pallo
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)](boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< T & >
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typename push_coroutine< T & >::control_block synthesized_cb{ this, c };
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@ -319,7 +319,7 @@ pull_coroutine< void >::control_block::destroy( control_block * cb) noexcept {
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}
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template< typename StackAllocator, typename Fn >
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pull_coroutine< void >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
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pull_coroutine< void >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc,
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Fn && fn) :
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c{},
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other{ nullptr },
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@ -327,7 +327,7 @@ pull_coroutine< void >::control_block::control_block( context::preallocated pall
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except{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< void >
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typename push_coroutine< void >::control_block synthesized_cb{ this, c };
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@ -353,7 +353,7 @@ pull_coroutine< void >::control_block::control_block( context::preallocated pall
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)]( boost::context::continuation && c) mutable {
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// create synthesized push_coroutine< void >
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typename push_coroutine< void >::control_block synthesized_cb{ this, c };
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@ -45,7 +45,7 @@ public:
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explicit pull_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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pull_coroutine( StackAllocator, Fn &&);
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pull_coroutine( StackAllocator &&, Fn &&);
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~pull_coroutine();
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@ -157,7 +157,7 @@ public:
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explicit pull_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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pull_coroutine( StackAllocator, Fn &&);
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pull_coroutine( StackAllocator &&, Fn &&);
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~pull_coroutine();
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@ -267,7 +267,7 @@ public:
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explicit pull_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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pull_coroutine( StackAllocator, Fn &&);
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pull_coroutine( StackAllocator &&, Fn &&);
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~pull_coroutine();
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@ -50,8 +50,8 @@ pull_coroutine< T >::pull_coroutine( Fn && fn) :
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template< typename T >
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template< typename StackAllocator, typename Fn >
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pull_coroutine< T >::pull_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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pull_coroutine< T >::pull_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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if ( ! cb_->valid() ) {
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cb_->deallocate();
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cb_ = nullptr;
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@ -119,8 +119,8 @@ pull_coroutine< T & >::pull_coroutine( Fn && fn) :
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template< typename T >
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template< typename StackAllocator, typename Fn >
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pull_coroutine< T & >::pull_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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pull_coroutine< T & >::pull_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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if ( ! cb_->valid() ) {
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cb_->deallocate();
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cb_ = nullptr;
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@ -180,8 +180,8 @@ pull_coroutine< void >::pull_coroutine( Fn && fn) :
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}
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template< typename StackAllocator, typename Fn >
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pull_coroutine< void >::pull_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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pull_coroutine< void >::pull_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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if ( ! cb_->valid() ) {
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cb_->deallocate();
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cb_ = nullptr;
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@ -32,7 +32,7 @@ struct push_coroutine< T >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( typename pull_coroutine< T >::control_block *, boost::context::continuation &) noexcept;
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@ -58,7 +58,7 @@ struct push_coroutine< T & >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( typename pull_coroutine< T & >::control_block *, boost::context::continuation &) noexcept;
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@ -81,7 +81,7 @@ struct push_coroutine< void >::control_block {
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static void destroy( control_block * cb) noexcept;
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template< typename StackAllocator, typename Fn >
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control_block( context::preallocated, StackAllocator, Fn &&);
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control_block( context::preallocated, StackAllocator &&, Fn &&);
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control_block( pull_coroutine< void >::control_block *, boost::context::continuation &) noexcept;
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@ -42,7 +42,7 @@ push_coroutine< T >::control_block::destroy( control_block * cb) noexcept {
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template< typename T >
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template< typename StackAllocator, typename Fn >
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push_coroutine< T >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
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push_coroutine< T >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc,
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Fn && fn) :
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c{},
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other{ nullptr },
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@ -50,7 +50,7 @@ push_coroutine< T >::control_block::control_block( context::preallocated palloc,
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except{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< T >
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typename pull_coroutine< T >::control_block synthesized_cb{ this, c };
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@ -77,7 +77,7 @@ push_coroutine< T >::control_block::control_block( context::preallocated palloc,
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)](boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< T >
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typename pull_coroutine< T >::control_block synthesized_cb{ this, c };
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@ -166,7 +166,7 @@ push_coroutine< T & >::control_block::destroy( control_block * cb) noexcept {
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template< typename T >
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template< typename StackAllocator, typename Fn >
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push_coroutine< T & >::control_block::control_block( context::preallocated palloc, StackAllocator salloc,
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push_coroutine< T & >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc,
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Fn && fn) :
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c{},
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other{ nullptr },
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@ -174,7 +174,7 @@ push_coroutine< T & >::control_block::control_block( context::preallocated pallo
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except{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< T & >
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typename pull_coroutine< T & >::control_block synthesized_cb{ this, c };
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@ -201,7 +201,7 @@ push_coroutine< T & >::control_block::control_block( context::preallocated pallo
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)](boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< T & >
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typename pull_coroutine< T & >::control_block synthesized_cb{ this, c };
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@ -277,14 +277,14 @@ push_coroutine< void >::control_block::destroy( control_block * cb) noexcept {
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}
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template< typename StackAllocator, typename Fn >
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push_coroutine< void >::control_block::control_block( context::preallocated palloc, StackAllocator salloc, Fn && fn) :
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push_coroutine< void >::control_block::control_block( context::preallocated palloc, StackAllocator && salloc, Fn && fn) :
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c{},
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other{ nullptr },
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state{ state_t::unwind },
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except{} {
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#if defined(BOOST_NO_CXX14_GENERIC_LAMBDAS)
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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wrap( [this](typename std::decay< Fn >::type & fn_,boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< void >
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typename pull_coroutine< void >::control_block synthesized_cb{ this, c };
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@ -311,7 +311,7 @@ push_coroutine< void >::control_block::control_block( context::preallocated pall
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std::forward< Fn >( fn) ) );
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#else
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c = boost::context::callcc(
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std::allocator_arg, palloc, salloc,
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std::allocator_arg, palloc, std::forward< StackAllocator >( salloc),
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[this,fn_=std::forward< Fn >( fn)](boost::context::continuation && c) mutable {
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// create synthesized pull_coroutine< void >
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typename pull_coroutine< void >::control_block synthesized_cb{ this, c};
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@ -43,7 +43,7 @@ public:
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explicit push_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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push_coroutine( StackAllocator, Fn &&);
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push_coroutine( StackAllocator &&, Fn &&);
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~push_coroutine();
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@ -123,7 +123,7 @@ public:
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explicit push_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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push_coroutine( StackAllocator, Fn &&);
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push_coroutine( StackAllocator &&, Fn &&);
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~push_coroutine();
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@ -201,7 +201,7 @@ public:
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explicit push_coroutine( Fn &&);
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template< typename StackAllocator, typename Fn >
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push_coroutine( StackAllocator, Fn &&);
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push_coroutine( StackAllocator &&, Fn &&);
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~push_coroutine();
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@ -43,8 +43,8 @@ push_coroutine< T >::push_coroutine( Fn && fn) :
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template< typename T >
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template< typename StackAllocator, typename Fn >
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push_coroutine< T >::push_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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push_coroutine< T >::push_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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}
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template< typename T >
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@ -103,8 +103,8 @@ push_coroutine< T & >::push_coroutine( Fn && fn) :
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template< typename T >
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template< typename StackAllocator, typename Fn >
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push_coroutine< T & >::push_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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push_coroutine< T & >::push_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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}
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template< typename T >
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@ -154,8 +154,8 @@ push_coroutine< void >::push_coroutine( Fn && fn) :
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}
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template< typename StackAllocator, typename Fn >
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push_coroutine< void >::push_coroutine( StackAllocator salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( salloc, std::forward< Fn >( fn) ) } {
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push_coroutine< void >::push_coroutine( StackAllocator && salloc, Fn && fn) :
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cb_{ create_control_block< control_block >( std::forward< StackAllocator >( salloc), std::forward< Fn >( fn) ) } {
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}
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inline
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