ares_time.h (2099B)
1 /* MIT License 2 * 3 * Copyright (c) 2024 Brad House 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 * SPDX-License-Identifier: MIT 25 */ 26 #ifndef __ARES_TIME_H 27 #define __ARES_TIME_H 28 29 /*! struct timeval on some systems like Windows doesn't support 64bit time so 30 * therefore can't be used due to Y2K38 issues. Make our own that does have 31 * 64bit time. */ 32 typedef struct { 33 ares_int64_t sec; /*!< Seconds */ 34 unsigned int usec; /*!< Microseconds. Can't be negative. */ 35 } ares_timeval_t; 36 37 /* return true if now is exactly check time or later */ 38 ares_bool_t ares_timedout(const ares_timeval_t *now, 39 const ares_timeval_t *check); 40 41 void ares_tvnow(ares_timeval_t *now); 42 void ares_timeval_remaining(ares_timeval_t *remaining, 43 const ares_timeval_t *now, 44 const ares_timeval_t *tout); 45 void ares_timeval_diff(ares_timeval_t *tvdiff, const ares_timeval_t *tvstart, 46 const ares_timeval_t *tvstop); 47 48 #endif