53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/*
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* Copyright © 2020 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "u_qsort.h"
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#include <thread>
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thread_local int (*tl_qsort_r_compar)(const void *, const void *, void *);
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thread_local void *tl_qsort_r_arg;
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static int
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qsort_r_compar(const void *a, const void *b)
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{
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return tl_qsort_r_compar(a, b, tl_qsort_r_arg);
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}
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void
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util_tls_qsort_r(void *base, size_t nmemb, size_t size,
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int (*compar)(const void *, const void *, void *),
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void *arg)
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{
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tl_qsort_r_compar = compar;
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tl_qsort_r_arg = arg;
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return qsort(base, nmemb, size, qsort_r_compar);
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}
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int
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util_qsort_adapter(void *ctx, const void *elem1, const void *elem2)
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{
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util_qsort_adapter_data *data =
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reinterpret_cast<util_qsort_adapter_data*>(ctx);
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return data->compar(elem1, elem2, data->args);
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}
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