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Diffstat (limited to 'boost/coroutine/detail/coroutine_context.hpp')
-rw-r--r-- | boost/coroutine/detail/coroutine_context.hpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/boost/coroutine/detail/coroutine_context.hpp b/boost/coroutine/detail/coroutine_context.hpp new file mode 100644 index 0000000000..6c4ebb68b1 --- /dev/null +++ b/boost/coroutine/detail/coroutine_context.hpp @@ -0,0 +1,62 @@ + +// Copyright Oliver Kowalke 2009. +// 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_COROUTINES_DETAIL_COROUTINE_CONTEXT_H +#define BOOST_COROUTINES_DETAIL_COROUTINE_CONTEXT_H + +#include <cstddef> + +#include <boost/assert.hpp> +#include <boost/config.hpp> +#include <boost/context/fcontext.hpp> + +#include <boost/coroutine/detail/config.hpp> +#include <boost/coroutine/stack_context.hpp> + +#ifdef BOOST_HAS_ABI_HEADERS +# include BOOST_ABI_PREFIX +#endif + +namespace boost { +namespace coroutines { +namespace detail { + +// class hold stack-context and coroutines execution-context +class BOOST_COROUTINES_DECL coroutine_context + +{ +private: + stack_context stack_ctx_; + context::fcontext_t ctx_; + +public: + typedef void( * ctx_fn)( intptr_t); + + // default ctor represents the current execution-context + coroutine_context(); + + // ctor creates a new execution-context running coroutine-fn `fn` + // `ctx_` will be allocated on top of the stack managed by parameter + // `stack_ctx` + coroutine_context( ctx_fn fn, stack_context const& stack_ctx); + + coroutine_context( coroutine_context const&); + + coroutine_context& operator=( coroutine_context const&); + + intptr_t jump( coroutine_context &, intptr_t = 0, bool = true); + + stack_context & stack_ctx() + { return stack_ctx_; } +}; + +}}} + +#ifdef BOOST_HAS_ABI_HEADERS +# include BOOST_ABI_SUFFIX +#endif + +#endif // BOOST_COROUTINES_DETAIL_COROUTINE_CONTEXT_H |