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