Replace boost by the standalone asio library

1 files changed, 142 insertions, 0 deletions

diff --git a/lib/asio/signal_set_service.hpp b/lib/asio/signal_set_service.hpp
new file mode 100644
index 0000000..3285beb
--- /dev/null
+++ b/lib/asio/signal_set_service.hpp
@@ -0,0 +1,142 @@
+//
+// signal_set_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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_SIGNAL_SET_SERVICE_HPP
+#define ASIO_SIGNAL_SET_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_ENABLE_OLD_SERVICES)
+
+#include "asio/async_result.hpp"
+#include "asio/detail/signal_set_service.hpp"
+#include "asio/error.hpp"
+#include "asio/io_context.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Default service implementation for a signal set.
+class signal_set_service
+#if defined(GENERATING_DOCUMENTATION)
+  : public asio::io_context::service
+#else
+  : public asio::detail::service_base<signal_set_service>
+#endif
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+  /// The unique service identifier.
+  static asio::io_context::id id;
+#endif
+
+public:
+  /// The type of a signal set implementation.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined implementation_type;
+#else
+  typedef detail::signal_set_service::implementation_type implementation_type;
+#endif
+
+  /// Construct a new signal set service for the specified io_context.
+  explicit signal_set_service(asio::io_context& io_context)
+    : asio::detail::service_base<signal_set_service>(io_context),
+      service_impl_(io_context)
+  {
+  }
+
+  /// Construct a new signal set implementation.
+  void construct(implementation_type& impl)
+  {
+    service_impl_.construct(impl);
+  }
+
+  /// Destroy a signal set implementation.
+  void destroy(implementation_type& impl)
+  {
+    service_impl_.destroy(impl);
+  }
+
+  /// Add a signal to a signal_set.
+  ASIO_SYNC_OP_VOID add(implementation_type& impl,
+      int signal_number, asio::error_code& ec)
+  {
+    service_impl_.add(impl, signal_number, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Remove a signal to a signal_set.
+  ASIO_SYNC_OP_VOID remove(implementation_type& impl,
+      int signal_number, asio::error_code& ec)
+  {
+    service_impl_.remove(impl, signal_number, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Remove all signals from a signal_set.
+  ASIO_SYNC_OP_VOID clear(implementation_type& impl,
+      asio::error_code& ec)
+  {
+    service_impl_.clear(impl, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Cancel all operations associated with the signal set.
+  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
+      asio::error_code& ec)
+  {
+    service_impl_.cancel(impl, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  // Start an asynchronous operation to wait for a signal to be delivered.
+  template <typename SignalHandler>
+  ASIO_INITFN_RESULT_TYPE(SignalHandler,
+      void (asio::error_code, int))
+  async_wait(implementation_type& impl,
+      ASIO_MOVE_ARG(SignalHandler) handler)
+  {
+    async_completion<SignalHandler,
+      void (asio::error_code, int)> init(handler);
+
+    service_impl_.async_wait(impl, init.completion_handler);
+
+    return init.result.get();
+  }
+
+private:
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown()
+  {
+    service_impl_.shutdown();
+  }
+
+  // Perform any fork-related housekeeping.
+  void notify_fork(asio::io_context::fork_event event)
+  {
+    service_impl_.notify_fork(event);
+  }
+
+  // The platform-specific implementation.
+  detail::signal_set_service service_impl_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+
+#endif // ASIO_SIGNAL_SET_SERVICE_HPP