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timeval.h 2.2 KB

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  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. #include "curl_setup.h"
  27. #include "timediff.h"
  28. struct curltime {
  29. time_t tv_sec; /* seconds */
  30. int tv_usec; /* microseconds */
  31. };
  32. struct curltime Curl_now(void);
  33. /*
  34. * Make sure that the first argument (newer) is the more recent time and older
  35. * is the older time, as otherwise you get a weird negative time-diff back...
  36. *
  37. * Returns: the time difference in number of milliseconds.
  38. */
  39. timediff_t Curl_timediff(struct curltime newer, struct curltime older);
  40. /*
  41. * Make sure that the first argument (newer) is the more recent time and older
  42. * is the older time, as otherwise you get a weird negative time-diff back...
  43. *
  44. * Returns: the time difference in number of milliseconds, rounded up.
  45. */
  46. timediff_t Curl_timediff_ceil(struct curltime newer, struct curltime older);
  47. /*
  48. * Make sure that the first argument (newer) is the more recent time and older
  49. * is the older time, as otherwise you get a weird negative time-diff back...
  50. *
  51. * Returns: the time difference in number of microseconds.
  52. */
  53. timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
  54. #endif /* HEADER_CURL_TIMEVAL_H */