Replace boost by the standalone asio library

1 files changed, 78 insertions, 0 deletions

diff --git a/lib/asio/detail/scheduler_operation.hpp b/lib/asio/detail/scheduler_operation.hpp
new file mode 100644
index 0000000..1c2ce02
--- /dev/null
+++ b/lib/asio/detail/scheduler_operation.hpp
@@ -0,0 +1,78 @@
+//
+// detail/scheduler_operation.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_DETAIL_SCHEDULER_OPERATION_HPP
+#define ASIO_DETAIL_SCHEDULER_OPERATION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/error_code.hpp"
+#include "asio/detail/handler_tracking.hpp"
+#include "asio/detail/op_queue.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class scheduler;
+
+// Base class for all operations. A function pointer is used instead of virtual
+// functions to avoid the associated overhead.
+class scheduler_operation ASIO_INHERIT_TRACKED_HANDLER
+{
+public:
+  typedef scheduler_operation operation_type;
+
+  void complete(void* owner, const asio::error_code& ec,
+      std::size_t bytes_transferred)
+  {
+    func_(owner, this, ec, bytes_transferred);
+  }
+
+  void destroy()
+  {
+    func_(0, this, asio::error_code(), 0);
+  }
+
+protected:
+  typedef void (*func_type)(void*,
+      scheduler_operation*,
+      const asio::error_code&, std::size_t);
+
+  scheduler_operation(func_type func)
+    : next_(0),
+      func_(func),
+      task_result_(0)
+  {
+  }
+
+  // Prevents deletion through this type.
+  ~scheduler_operation()
+  {
+  }
+
+private:
+  friend class op_queue_access;
+  scheduler_operation* next_;
+  func_type func_;
+protected:
+  friend class scheduler;
+  unsigned int task_result_; // Passed into bytes transferred.
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SCHEDULER_OPERATION_HPP