1 #ifndef __TIMEVAL_H
2 #define __TIMEVAL_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2007, 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 http://curl.haxx.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  * $Id: timeval.h,v 1.34 2007-04-03 18:25:18 yangtse Exp $
24  ***************************************************************************/
25 
26 /*
27  * CAUTION: this header is designed to work when included by the app-side
28  * as well as the library. Do not mix with library internals!
29  */
30 
31 #include "setup.h"
32 
33 struct timeval curlx_tvnow(void);
34 
35 /*
36  * Make sure that the first argument (t1) is the more recent time and t2 is
37  * the older time, as otherwise you get a weird negative time-diff back...
38  *
39  * Returns: the time difference in number of milliseconds.
40  */
41 long curlx_tvdiff(struct timeval t1, struct timeval t2);
42 
43 /*
44  * Same as curlx_tvdiff but with full usec resolution.
45  *
46  * Returns: the time difference in seconds with subsecond resolution.
47  */
48 double curlx_tvdiff_secs(struct timeval t1, struct timeval t2);
49 
50 long Curl_tvlong(struct timeval t1);
51 
52 /* These two defines below exist to provide the older API for library
53    internals only. */
54 #define Curl_tvnow() curlx_tvnow()
55 #define Curl_tvdiff(x,y) curlx_tvdiff(x,y)
56 #define Curl_tvdiff_secs(x,y) curlx_tvdiff_secs(x,y)
57 
58 #endif
59