From a15cf65c44d5c224169c32ef5495b68c758134b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <jff@merkur>
Date: Sun, 18 May 2014 16:08:14 +0200
Subject: Imported Upstream version 3.3.0.2

---
 libcult/cult/mm/arch/generic/counter.hxx | 45 ++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 libcult/cult/mm/arch/generic/counter.hxx

(limited to 'libcult/cult/mm/arch/generic/counter.hxx')

diff --git a/libcult/cult/mm/arch/generic/counter.hxx b/libcult/cult/mm/arch/generic/counter.hxx
new file mode 100644
index 0000000..6a26759
--- /dev/null
+++ b/libcult/cult/mm/arch/generic/counter.hxx
@@ -0,0 +1,45 @@
+// file      : cult/mm/arch/generic/counter.hxx
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2005-2010 Boris Kolpackov
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef CULT_MM_ARCH_GENERIC_COUNTER_HXX
+#define CULT_MM_ARCH_GENERIC_COUNTER_HXX
+
+#include <cult/types/fundamental.hxx>
+#include <cult/sched/spin.hxx>
+
+namespace Cult
+{
+  namespace MM
+  {
+    class Counter: public NonCopyable
+    {
+    public:
+      Counter ();
+
+      // After failure assume the counter has its old value.
+      //
+      Void
+      inc_ref ();
+
+
+      // After failure assume the counter has its new value.
+      //
+      Boolean
+      dec_ref ();
+
+
+      Size
+      count () const;
+
+    private:
+      Size value_;
+      mutable Sched::Spin spin_;
+    };
+  }
+}
+
+#include <cult/mm/arch/generic/counter.ixx>
+
+#endif  // CULT_MM_ARCH_GENERIC_COUNTER_HXX
-- 
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