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