mirror of
https://github.com/latentPrion/libspinscale.git
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hayodea
42076d6c78
This allows us to dynamically choose the target that a PostingPromise coro will be posted to at runtime rather than only posting to the statically configured ThreadTag::io_context() target. Big usability improvement.
30 lines
681 B
C++
30 lines
681 B
C++
#ifndef POST_TARGET_H
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#define POST_TARGET_H
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#include <type_traits>
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#include <boost/asio/io_context.hpp>
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namespace sscl::co {
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/** Opt-in dynamic post-TO target for TaggedPostingPromise coroutines.
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* When omitted, initial_suspend posts to ThreadTag::io_context().
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* Post-back still uses callerIoContext (getSelf() at co_await site).
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*/
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struct ExplicitPostTarget
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{
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boost::asio::io_context& ioContext;
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explicit ExplicitPostTarget(boost::asio::io_context& ctx) noexcept
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: ioContext(ctx)
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{}
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};
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template<typename T>
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inline constexpr bool is_explicit_post_target_v =
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std::same_as<std::remove_cvref_t<T>, ExplicitPostTarget>;
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} // namespace sscl::co
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#endif // POST_TARGET_H
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