Imported Upstream version 1.57.0upstream/1.57.0

1 files changed, 46 insertions, 0 deletions

diff --git a/boost/thread/concurrent_queues/queue_op_status.hpp b/boost/thread/concurrent_queues/queue_op_status.hpp
new file mode 100644
index 0000000000..3a8f0d994d
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+++ b/boost/thread/concurrent_queues/queue_op_status.hpp
@@ -0,0 +1,46 @@
+#ifndef BOOST_THREAD_QUEUE_OP_STATUS_HPP
+#define BOOST_THREAD_QUEUE_OP_STATUS_HPP
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Vicente J. Botet Escriba 2014. 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)
+//
+// See http://www.boost.org/libs/thread for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/detail/move.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+namespace concurrent
+{
+
+  BOOST_SCOPED_ENUM_DECLARE_BEGIN(queue_op_status)
+  { success = 0, empty, full, closed, busy }
+  BOOST_SCOPED_ENUM_DECLARE_END(queue_op_status)
+
+  struct sync_queue_is_closed : std::exception
+  {
+  };
+
+}
+
+#ifndef BOOST_THREAD_QUEUE_DEPRECATE_OLD
+  struct no_block_tag{};
+  BOOST_CONSTEXPR_OR_CONST no_block_tag no_block = {};
+#endif
+
+  using concurrent::queue_op_status;
+  using concurrent::sync_queue_is_closed;
+
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif