1 files changed, 31 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/thread/lock_options.hpp b/src/third_party/boost-1.60.0/boost/thread/lock_options.hpp
new file mode 100644
index 00000000000..68899ca89fe
--- /dev/null
+++ b/src/third_party/boost-1.60.0/boost/thread/lock_options.hpp
@@ -0,0 +1,31 @@
+// 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)
+// (C) Copyright 2007 Anthony Williams
+// (C) Copyright 2011-2012 Vicente J. Botet Escriba
+
+#ifndef BOOST_THREAD_LOCK_OPTIONS_HPP
+#define BOOST_THREAD_LOCK_OPTIONS_HPP
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+  struct defer_lock_t
+  {
+  };
+  struct try_to_lock_t
+  {
+  };
+  struct adopt_lock_t
+  {
+  };
+
+  BOOST_CONSTEXPR_OR_CONST defer_lock_t defer_lock = {};
+  BOOST_CONSTEXPR_OR_CONST try_to_lock_t try_to_lock = {};
+  BOOST_CONSTEXPR_OR_CONST adopt_lock_t adopt_lock = {};
+
+}
+#include <boost/config/abi_suffix.hpp>
+
+#endif