timeval.h 2.3 KB

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  1. #ifndef __TIMEVAL_H
  2. #define __TIMEVAL_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) 1998 - 2004, Daniel Stenberg, <[email protected]>, 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. * $Id$
  24. ***************************************************************************/
  25. /*
  26. * CAUTION: this header is designed to work when included by the app-side
  27. * as well as the library. Do not mix with library internals!
  28. */
  29. #include "setup.h"
  30. #if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
  31. #include <time.h>
  32. #else
  33. #include <sys/time.h>
  34. #endif
  35. #ifndef HAVE_GETTIMEOFDAY
  36. #if !defined(_WINSOCKAPI_) && !defined(__MINGW32__) && !defined(_AMIGASF) && \
  37. !defined(__LCC__)
  38. struct timeval {
  39. long tv_sec;
  40. long tv_usec;
  41. };
  42. #endif
  43. #endif
  44. struct timeval curlx_tvnow(void);
  45. /*
  46. * Make sure that the first argument (t1) is the more recent time and t2 is
  47. * the older time, as otherwise you get a weird negative time-diff back...
  48. *
  49. * Returns: the time difference in number of milliseconds.
  50. */
  51. long curlx_tvdiff(struct timeval t1, struct timeval t2);
  52. /*
  53. * Same as curlx_tvdiff but with full usec resolution.
  54. *
  55. * Returns: the time difference in seconds with subsecond resolution.
  56. */
  57. double curlx_tvdiff_secs(struct timeval t1, struct timeval t2);
  58. long Curl_tvlong(struct timeval t1);
  59. /* These two defines below exist to provide the older API for library
  60. internals only. */
  61. #define Curl_tvnow() curlx_tvnow()
  62. #define Curl_tvdiff(x,y) curlx_tvdiff(x,y)
  63. #define Curl_tvdiff_secs(x,y) curlx_tvdiff_secs(x,y)
  64. #endif