some fixes

1 files changed, 54 insertions, 0 deletions

diff --git a/contrib/epee/include/copyable_atomic.h b/contrib/epee/include/copyable_atomic.h
new file mode 100644
index 000000000..6b5691ab1
--- /dev/null
+++ b/contrib/epee/include/copyable_atomic.h
@@ -0,0 +1,54 @@
+// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of the Andrey N. Sabelnikov nor the
+// names of its contributors may be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER  BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#pragma once
+
+#include <atomic>
+
+namespace epee
+{
+  class copyable_atomic: public std::atomic<uint32_t>
+  {
+  public:
+    copyable_atomic()
+    {};
+    copyable_atomic(const copyable_atomic& a):std::atomic<uint32_t>(a.load())
+    {}
+    copyable_atomic& operator= (const copyable_atomic& a)
+    {
+      store(a.load());
+      return *this;
+    }
+    uint32_t operator++()
+    {
+      return std::atomic<uint32_t>::operator++();
+    }
+    uint32_t operator++(int fake)
+    {
+      return std::atomic<uint32_t>::operator++(fake);
+    }
+  };
+}
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