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author | bnagaev <bnagaev@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
commit | d6449ba66291ff0c0d352c82e6eb3efb4c8a7e8d (patch) | |
tree | d5dca6d44593f5e52556a1cc7b1ab0386e096ebe /contrib/libs/hyperscan/src/util/alloc.h | |
parent | 1861d4c1402bb2c67a3e6b43b51706081b74508a (diff) | |
download | ydb-d6449ba66291ff0c0d352c82e6eb3efb4c8a7e8d.tar.gz |
Restoring authorship annotation for <bnagaev@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/util/alloc.h')
-rw-r--r-- | contrib/libs/hyperscan/src/util/alloc.h | 146 |
1 files changed, 73 insertions, 73 deletions
diff --git a/contrib/libs/hyperscan/src/util/alloc.h b/contrib/libs/hyperscan/src/util/alloc.h index de20c8d028..6651437169 100644 --- a/contrib/libs/hyperscan/src/util/alloc.h +++ b/contrib/libs/hyperscan/src/util/alloc.h @@ -1,101 +1,101 @@ -/* +/* * Copyright (c) 2015-2017, Intel Corporation - * - * 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 Intel Corporation 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 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. - */ - + * + * 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 Intel Corporation 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 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. + */ + /** * \file - * \brief Aligned memory alloc/free. - */ - -#ifndef UTIL_ALLOC_H -#define UTIL_ALLOC_H - -#include <cassert> -#include <cstddef> // size_t -#include <limits> -#include <memory> -#include <new> // std::bad_alloc - -namespace ue2 { - -/** \brief 64-byte aligned, zeroed malloc. - * - * Pointers should be freed with \ref aligned_free. If we are unable to - * allocate the requested number of bytes, this function will throw - * std::bad_alloc. */ -void *aligned_zmalloc(size_t size); - -/** \brief Free a pointer allocated with \ref aligned_zmalloc. */ -void aligned_free(void *ptr); - -/** \brief Internal use only, used by AlignedAllocator. */ -void *aligned_malloc_internal(size_t size, size_t align); - -/** \brief Internal use only, used by AlignedAllocator. */ -void aligned_free_internal(void *ptr); - -/** \brief Aligned allocator class for use with STL containers. Ensures that - * your objects are aligned to N bytes. */ + * \brief Aligned memory alloc/free. + */ + +#ifndef UTIL_ALLOC_H +#define UTIL_ALLOC_H + +#include <cassert> +#include <cstddef> // size_t +#include <limits> +#include <memory> +#include <new> // std::bad_alloc + +namespace ue2 { + +/** \brief 64-byte aligned, zeroed malloc. + * + * Pointers should be freed with \ref aligned_free. If we are unable to + * allocate the requested number of bytes, this function will throw + * std::bad_alloc. */ +void *aligned_zmalloc(size_t size); + +/** \brief Free a pointer allocated with \ref aligned_zmalloc. */ +void aligned_free(void *ptr); + +/** \brief Internal use only, used by AlignedAllocator. */ +void *aligned_malloc_internal(size_t size, size_t align); + +/** \brief Internal use only, used by AlignedAllocator. */ +void aligned_free_internal(void *ptr); + +/** \brief Aligned allocator class for use with STL containers. Ensures that + * your objects are aligned to N bytes. */ template <class T, std::size_t N> class AlignedAllocator { -public: +public: using value_type = T; - + AlignedAllocator() noexcept {} - + template <class U, std::size_t N2> AlignedAllocator(const AlignedAllocator<U, N2> &) noexcept {} - + template <class U> struct rebind { using other = AlignedAllocator<U, N>; }; - + T *allocate(std::size_t size) const { size_t alloc_size = size * sizeof(T); return static_cast<T *>(aligned_malloc_internal(alloc_size, N)); - } - + } + void deallocate(T *x, std::size_t) const noexcept { aligned_free_internal(x); - } + } }; - + template <class T, class U, std::size_t N, std::size_t N2> bool operator==(const AlignedAllocator<T, N> &, const AlignedAllocator<U, N2> &) { return true; } - + template <class T, class U, std::size_t N, std::size_t N2> bool operator!=(const AlignedAllocator<T, N> &a, const AlignedAllocator<U, N2> &b) { return !(a == b); } - -} // namespace ue2 - -#endif + +} // namespace ue2 + +#endif |