1 /*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2023 nghttp2 contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include "nghttp2_time.h"
26
27 #ifdef HAVE_WINDOWS_H
28 # include <windows.h>
29 #endif /* HAVE_WINDOWS_H */
30
31 #include <time.h>
32
33 #if !defined(HAVE_GETTICKCOUNT64) || defined(__CYGWIN__)
time_now_sec(void)34 static uint64_t time_now_sec(void) {
35 time_t t = time(NULL);
36
37 if (t == -1) {
38 return 0;
39 }
40
41 return (uint64_t)t;
42 }
43 #endif /* !HAVE_GETTICKCOUNT64 || __CYGWIN__ */
44
45 #if defined(HAVE_GETTICKCOUNT64) && !defined(__CYGWIN__)
nghttp2_time_now_sec(void)46 uint64_t nghttp2_time_now_sec(void) { return GetTickCount64() / 1000; }
47 #elif defined(HAVE_CLOCK_GETTIME) && defined(HAVE_DECL_CLOCK_MONOTONIC) && \
48 HAVE_DECL_CLOCK_MONOTONIC
nghttp2_time_now_sec(void)49 uint64_t nghttp2_time_now_sec(void) {
50 struct timespec tp;
51 int rv = clock_gettime(CLOCK_MONOTONIC, &tp);
52
53 if (rv == -1) {
54 return time_now_sec();
55 }
56
57 return (uint64_t)tp.tv_sec;
58 }
59 #else /* (!HAVE_CLOCK_GETTIME || !HAVE_DECL_CLOCK_MONOTONIC) && \
60 (!HAVE_GETTICKCOUNT64 || __CYGWIN__)) */
nghttp2_time_now_sec(void)61 uint64_t nghttp2_time_now_sec(void) { return time_now_sec(); }
62 #endif /* (!HAVE_CLOCK_GETTIME || !HAVE_DECL_CLOCK_MONOTONIC) && \
63 (!HAVE_GETTICKCOUNT64 || __CYGWIN__)) */
64