1 files changed, 106 insertions, 0 deletions
diff --git a/src/third_party/boost-1.56.0/boost/thread/detail/counter.hpp b/src/third_party/boost-1.56.0/boost/thread/detail/counter.hpp
new file mode 100644
index 00000000000..38e1597c574
--- /dev/null
+++ b/src/third_party/boost-1.56.0/boost/thread/detail/counter.hpp
@@ -0,0 +1,106 @@
+// 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 2013 Vicente J. Botet Escriba
+
+#ifndef BOOST_THREAD_COUNTER_HPP
+#define BOOST_THREAD_COUNTER_HPP
+
+#include <boost/thread/detail/config.hpp>
+#include <boost/thread/detail/delete.hpp>
+
+//#include <boost/thread/mutex.hpp>
+//#include <boost/thread/lock_types.hpp>
+#include <boost/thread/condition_variable.hpp>
+#include <boost/chrono/duration.hpp>
+#include <boost/chrono/time_point.hpp>
+#include <boost/assert.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+  namespace detail {
+    struct counter
+    {
+      condition_variable cond_;
+      std::size_t value_;
+
+      counter(std::size_t value)
+      : value_(value)
+      {
+
+      }
+      counter& operator=(counter const& rhs)
+      {
+        value_ = rhs.value_;
+        return *this;
+      }
+      counter& operator=(std::size_t value)
+      {
+        value_ = value;
+        return *this;
+      }
+
+      operator std::size_t() const
+      {
+        return value_;
+      }
+      operator std::size_t&()
+      {
+        return value_;
+      }
+
+      void inc_and_notify_all()
+      {
+        ++value_;
+        cond_.notify_all();
+      }
+
+      void dec_and_notify_all()
+      {
+        --value_;
+        cond_.notify_all();
+      }
+      void assign_and_notify_all(counter const& rhs)
+      {
+        value_ = rhs.value_;
+        cond_.notify_all();
+      }
+      void assign_and_notify_all(std::size_t value)
+      {
+        value_ = value;
+        cond_.notify_all();
+      }
+    };
+    struct counter_is_not_zero
+    {
+      counter_is_not_zero(counter const& count) : count_(count) {}
+      bool operator()() const { return count_ != 0; }
+      counter const& count_;
+    };
+    struct counter_is_zero
+    {
+      counter_is_zero(counter const& count) : count_(count) {}
+      bool operator()() const { return count_ == 0; }
+      counter const& count_;
+    };
+    struct is_zero
+    {
+      is_zero(std::size_t& count) : count_(count) {}
+      bool operator()() const { return count_ == 0; }
+      std::size_t& count_;
+    };
+    struct not_equal
+    {
+      not_equal(std::size_t& x, std::size_t& y) : x_(x), y_(y) {}
+      bool operator()() const { return x_ != y_; }
+      std::size_t& x_;
+      std::size_t& y_;
+    };
+  }
+} // namespace boost
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif