Initial Commit

include/asio/detail/impl/io_uring_service.hpp

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+//
+// detail/impl/io_uring_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// 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 ASIO_DETAIL_IMPL_IO_URING_SERVICE_HPP
+#define ASIO_DETAIL_IMPL_IO_URING_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#if defined(ASIO_HAS_IO_URING)
+
+#include "asio/detail/scheduler.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+inline void io_uring_service::post_immediate_completion(
+    operation* op, bool is_continuation)
+{
+  scheduler_.post_immediate_completion(op, is_continuation);
+}
+
+template <typename TimeTraits, typename Allocator>
+void io_uring_service::add_timer_queue(
+    timer_queue<TimeTraits, Allocator>& queue)
+{
+  do_add_timer_queue(queue);
+}
+
+template <typename TimeTraits, typename Allocator>
+void io_uring_service::remove_timer_queue(
+    timer_queue<TimeTraits, Allocator>& queue)
+{
+  do_remove_timer_queue(queue);
+}
+
+template <typename TimeTraits, typename Allocator>
+void io_uring_service::schedule_timer(
+    timer_queue<TimeTraits, Allocator>& queue,
+    const typename TimeTraits::time_type& time,
+    typename timer_queue<TimeTraits, Allocator>::per_timer_data& timer,
+    wait_op* op)
+{
+  mutex::scoped_lock lock(mutex_);
+
+  if (shutdown_)
+  {
+    scheduler_.post_immediate_completion(op, false);
+    return;
+  }
+
+  bool earliest = queue.enqueue_timer(time, timer, op);
+  scheduler_.work_started();
+  if (earliest)
+  {
+    update_timeout();
+    post_submit_sqes_op(lock);
+  }
+}
+
+template <typename TimeTraits, typename Allocator>
+std::size_t io_uring_service::cancel_timer(
+    timer_queue<TimeTraits, Allocator>& queue,
+    typename timer_queue<TimeTraits, Allocator>::per_timer_data& timer,
+    std::size_t max_cancelled)
+{
+  mutex::scoped_lock lock(mutex_);
+  op_queue<operation> ops;
+  std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
+  lock.unlock();
+  scheduler_.post_deferred_completions(ops);
+  return n;
+}
+
+template <typename TimeTraits, typename Allocator>
+void io_uring_service::cancel_timer_by_key(
+    timer_queue<TimeTraits, Allocator>& queue,
+    typename timer_queue<TimeTraits, Allocator>::per_timer_data* timer,
+    void* cancellation_key)
+{
+  mutex::scoped_lock lock(mutex_);
+  op_queue<operation> ops;
+  queue.cancel_timer_by_key(timer, ops, cancellation_key);
+  lock.unlock();
+  scheduler_.post_deferred_completions(ops);
+}
+
+template <typename TimeTraits, typename Allocator>
+void io_uring_service::move_timer(timer_queue<TimeTraits, Allocator>& queue,
+    typename timer_queue<TimeTraits, Allocator>::per_timer_data& target,
+    typename timer_queue<TimeTraits, Allocator>::per_timer_data& source)
+{
+  mutex::scoped_lock lock(mutex_);
+  op_queue<operation> ops;
+  queue.cancel_timer(target, ops);
+  queue.move_timer(target, source);
+  lock.unlock();
+  scheduler_.post_deferred_completions(ops);
+}
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_IO_URING)
+
+#endif // ASIO_DETAIL_IMPL_IO_URING_SERVICE_HPP