time.h 1.4 KB

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  1. /* -*-comment-start: "//";comment-end:""-*-
  2. * GNU Mes --- Maxwell Equations of Software
  3. * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  4. *
  5. * This file is part of GNU Mes.
  6. *
  7. * GNU Mes is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 3 of the License, or (at
  10. * your option) any later version.
  11. *
  12. * GNU Mes is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
  19. */
  20. #ifndef __MES_SYS_TIME_H
  21. #define __MES_SYS_TIME_H 1
  22. #if SYSTEM_LIBC
  23. #undef __MES_SYS_TIME_H
  24. #include_next <sys/time.h>
  25. #else // ! SYSTEM_LIBC
  26. struct timeval
  27. {
  28. long tv_sec;
  29. long tv_usec;
  30. };
  31. struct timezone
  32. {
  33. int tz_minuteswest;
  34. int tz_dsttime;
  35. };
  36. struct itimerval
  37. {
  38. struct timeval it_interval;
  39. struct timeval it_value;
  40. };
  41. #define ITIMER_REAL 0
  42. #define ITIMER_VIRTUAL 1
  43. #define ITIMER_PROF 2
  44. int gettimeofday (struct timeval *tv, struct timezone *tz);
  45. int setitimer (int which, struct itimerval const *new, struct itimerval *old);
  46. #endif // ! SYSTEM_LIBC
  47. #endif // __MES_SYS_TIME_H