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[execpools,asio] add executor getter to be able to schedule asio functions #1535

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Merged
ericniebler merged 2 commits into from
Jun 5, 2025
Merged

[execpools,asio] add executor getter to be able to schedule asio functions #1535

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97ec2b5
[execpools,asio] add executor getter to be able to schedule asio func…
mathisloge May 19, 2025
fa52e97
[asio_thread_pool] Change executor to get_executor
mathisloge May 24, 2025
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6 changes: 6 additions & 0 deletions include/execpools/asio/asio_thread_pool.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,12 @@ namespace execpools {
return static_cast<std::uint32_t>(
asio_impl::query(executor_, asio_impl::execution::occupancy));
}

[[nodiscard]]
auto get_executor() const {
return executor_;
}

private:
[[nodiscard]]
static constexpr auto forward_progress_guarantee() -> stdexec::forward_progress_guarantee {
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18 changes: 18 additions & 0 deletions test/execpools/test_asio_thread_pool.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@

#include <execpools/asio/asio_thread_pool.hpp>

#include <asioexec/use_sender.hpp>

namespace ex = stdexec;

namespace {
Expand Down Expand Up @@ -168,4 +170,20 @@ namespace {
REQUIRE(value.data() == output.data());
CHECK(output == std::array{1.0, 3.0, 2.0, 0.0});
}

TEST_CASE("asiothreadpool with asioexec interoperability") {
const auto current_thread_id = std::this_thread::get_id();

execpools::asio_thread_pool pool{1ul};
asioexec::asio_impl::system_timer timer{pool.get_executor()};
const auto [other_thread_id] =
stdexec::sync_wait(timer.async_wait(asioexec::use_sender) | stdexec::then([](auto&&...) {
return std::this_thread::get_id();
}))
.value();
REQUIRE(current_thread_id != other_thread_id);

// demo to access underlying execution context
asioexec::asio_impl::query(pool.get_executor(), asioexec::asio_impl::execution::context_t{}).stop();
}
} // namespace
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