fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / cds / details / type_padding.h

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/details/type_padding.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/details/type_padding.h
new file mode 100644 (file)
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+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/details/type_padding.h
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+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+    Source code repo: http://github.com/khizmax/libcds/
+    Download: http://sourceforge.net/projects/libcds/files/
+
+    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.
+
+    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 HOLDER OR CONTRIBUTORS 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.
+*/
+
+#ifndef CDSLIB_DETAILS_TYPE_PADDING_H
+#define CDSLIB_DETAILS_TYPE_PADDING_H
+
+namespace cds { namespace details {
+
+    //@cond none
+    template <typename T, int Align, int Modulo>
+    struct type_padding_helper: public T
+    {
+        enum {
+            value = Modulo
+        };
+        char _[Align - Modulo]   ;   // padding
+
+        using T::T;
+    };
+    template <typename T, int Align>
+    struct type_padding_helper<T, Align, 0>: public T
+    {
+        enum {
+            value = 0
+        };
+
+        using T::T;
+    };
+    //@endcond
+
+    /// Automatic alignment type \p T to \p AlignFactor
+    /**
+        The class adds appropriate bytes to type T that the following condition is true:
+        \code
+        sizeof( type_padding<T,AlignFactor>::type ) % AlignFactor == 0
+        \endcode
+        It is guaranteed that count of padding bytes no more than AlignFactor - 1.
+
+        \b Applicability: type \p T must not have constructors another that default ctor.
+        For example, \p T may be any POD type.
+    */
+    template <typename T, int AlignFactor>
+    class type_padding {
+    public:
+        /// Align factor
+        enum {
+            align_factor = AlignFactor <= 0 ? 1 : AlignFactor
+        };
+
+        /// Result type
+        typedef type_padding_helper<T, align_factor, sizeof(T) % align_factor> type;
+
+        /// Padding constant
+        enum {
+            value = type::value
+        };
+    };
+
+}}   // namespace cds::details
+#endif // #ifndef CDSLIB_DETAILS_TYPE_PADDING_H