1/* 2 * Copyright © 2020 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24#include "u_qsort.h" 25#include <thread> 26 27thread_local int (*tl_qsort_r_compar)(const void *, const void *, void *); 28thread_local void *tl_qsort_r_arg; 29 30static int 31qsort_r_compar(const void *a, const void *b) 32{ 33 return tl_qsort_r_compar(a, b, tl_qsort_r_arg); 34} 35 36void 37util_tls_qsort_r(void *base, size_t nmemb, size_t size, 38 int (*compar)(const void *, const void *, void *), 39 void *arg) 40{ 41 tl_qsort_r_compar = compar; 42 tl_qsort_r_arg = arg; 43 return qsort(base, nmemb, size, qsort_r_compar); 44} 45 46int 47util_qsort_adapter(void *ctx, const void *elem1, const void *elem2) 48{ 49 util_qsort_adapter_data *data = 50 reinterpret_cast<util_qsort_adapter_data*>(ctx); 51 return data->compar(elem1, elem2, data->args); 52} 53