Initial Commit

include/asio/detail/signal_op.hpp

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+//
+// detail/signal_op.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_SIGNAL_OP_HPP
+#define ASIO_DETAIL_SIGNAL_OP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/operation.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class signal_op
+  : public operation
+{
+public:
+  // The error code to be passed to the completion handler.
+  asio::error_code ec_;
+
+  // The operation key used for targeted cancellation.
+  void* cancellation_key_;
+
+  // The signal number to be passed to the completion handler.
+  int signal_number_;
+
+protected:
+  signal_op(func_type func)
+    : operation(func),
+      cancellation_key_(0),
+      signal_number_(0)
+  {
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SIGNAL_OP_HPP