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  */
6 
7 #include "openbsd-compat.h"
8 
9 #if !defined(HAVE_CLOCK_GETTIME)
10 
11 #if _WIN32
12 int
13 clock_gettime(clockid_t clock_id, struct timespec *tp)
14 {
15 	ULONGLONG ms;
16 
17 	if (clock_id != CLOCK_MONOTONIC) {
18 		errno = EINVAL;
19 		return (-1);
20 	}
21 
22 	ms = GetTickCount64();
23 	tp->tv_sec = ms / 1000L;
24 	tp->tv_nsec = (ms % 1000L) * 1000000L;
25 
26 	return (0);
27 }
28 #else
29 #error "please provide an implementation of clock_gettime() for your platform"
30 #endif /* _WIN32 */
31 
32 #endif /* !defined(HAVE_CLOCK_GETTIME) */
33