1 /* 2 * Copyright (c) 2020 Yubico AB. All rights reserved. 3 * Use of this source code is governed by a BSD-style 4 * license that can be found in the LICENSE file. 5 * SPDX-License-Identifier: BSD-2-Clause 6 */ 7 8 #include "openbsd-compat.h" 9 10 #if !defined(HAVE_CLOCK_GETTIME) 11 12 #if _WIN32 13 int 14 clock_gettime(clockid_t clock_id, struct timespec *tp) 15 { 16 ULONGLONG ms; 17 18 if (clock_id != CLOCK_MONOTONIC) { 19 errno = EINVAL; 20 return (-1); 21 } 22 23 ms = GetTickCount64(); 24 tp->tv_sec = ms / 1000L; 25 tp->tv_nsec = (ms % 1000L) * 1000000L; 26 27 return (0); 28 } 29 #else 30 #error "please provide an implementation of clock_gettime() for your platform" 31 #endif /* _WIN32 */ 32 33 #endif /* !defined(HAVE_CLOCK_GETTIME) */ 34