xref: /third_party/curl/lib/timeval.h (revision 13498266) 
1#ifndef HEADER_CURL_TIMEVAL_H
2#define HEADER_CURL_TIMEVAL_H
3/***************************************************************************
4 *                                  _   _ ____  _
5 *  Project                     ___| | | |  _ \| |
6 *                             / __| | | | |_) | |
7 *                            | (__| |_| |  _ <| |___
8 *                             \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27#include "curl_setup.h"
28
29#include "timediff.h"
30
31struct curltime {
32  time_t tv_sec; /* seconds */
33  int tv_usec;   /* microseconds */
34};
35
36struct curltime Curl_now(void);
37
38/*
39 * Make sure that the first argument (newer) is the more recent time and older
40 * is the older time, as otherwise you get a weird negative time-diff back...
41 *
42 * Returns: the time difference in number of milliseconds.
43 */
44timediff_t Curl_timediff(struct curltime newer, struct curltime older);
45
46/*
47 * Make sure that the first argument (newer) is the more recent time and older
48 * is the older time, as otherwise you get a weird negative time-diff back...
49 *
50 * Returns: the time difference in number of milliseconds, rounded up.
51 */
52timediff_t Curl_timediff_ceil(struct curltime newer, struct curltime older);
53
54/*
55 * Make sure that the first argument (newer) is the more recent time and older
56 * is the older time, as otherwise you get a weird negative time-diff back...
57 *
58 * Returns: the time difference in number of microseconds.
59 */
60timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
61
62#endif /* HEADER_CURL_TIMEVAL_H */
63