1 files changed, 67 insertions, 0 deletions
diff --git a/ext/asio/detail/win_signal_blocker.hpp b/ext/asio/detail/win_signal_blocker.hpp
new file mode 100644
index 0000000000..50d16b8a2b
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+++ b/ext/asio/detail/win_signal_blocker.hpp
@@ -0,0 +1,67 @@
+//
+// win_signal_blocker.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2010 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_WIN_SIGNAL_BLOCKER_HPP
+#define ASIO_DETAIL_WIN_SIGNAL_BLOCKER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class win_signal_blocker
+  : private noncopyable
+{
+public:
+  // Constructor blocks all signals for the calling thread.
+  win_signal_blocker()
+  {
+    // No-op.
+  }
+
+  // Destructor restores the previous signal mask.
+  ~win_signal_blocker()
+  {
+    // No-op.
+  }
+
+  // Block all signals for the calling thread.
+  void block()
+  {
+    // No-op.
+  }
+
+  // Restore the previous signal mask.
+  void unblock()
+  {
+    // No-op.
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_WIN_SIGNAL_BLOCKER_HPP