47 lines
2.1 KiB
C++
47 lines
2.1 KiB
C++
/*
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Copyright 2005-2016 Intel Corporation. All Rights Reserved.
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This file is part of Threading Building Blocks. Threading Building Blocks is free software;
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you can redistribute it and/or modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation. Threading Building Blocks is
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distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details. You should have received a copy of
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the GNU General Public License along with Threading Building Blocks; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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As a special exception, you may use this file as part of a free software library without
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restriction. Specifically, if other files instantiate templates or use macros or inline
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functions from this file, or you compile this file and link it with other files to produce
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an executable, this file does not by itself cause the resulting executable to be covered
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by the GNU General Public License. This exception does not however invalidate any other
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reasons why the executable file might be covered by the GNU General Public License.
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*/
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#ifndef __TBB_aligned_space_H
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#define __TBB_aligned_space_H
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#include "tbb_stddef.h"
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#include "tbb_machine.h"
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namespace tbb {
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//! Block of space aligned sufficiently to construct an array T with N elements.
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/** The elements are not constructed or destroyed by this class.
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@ingroup memory_allocation */
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template<typename T,size_t N=1>
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class aligned_space {
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private:
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typedef __TBB_TypeWithAlignmentAtLeastAsStrict(T) element_type;
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element_type array[(sizeof(T)*N+sizeof(element_type)-1)/sizeof(element_type)];
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public:
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//! Pointer to beginning of array
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T* begin() {return internal::punned_cast<T*>(this);}
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//! Pointer to one past last element in array.
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T* end() {return begin()+N;}
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};
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} // namespace tbb
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#endif /* __TBB_aligned_space_H */
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