times.h 2.2 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Copyright (C) 1991-2026 Free Software Foundation, Inc.
  17. This file is part of the GNU C Library.
  18. The GNU C Library is free software; you can redistribute it and/or
  19. modify it under the terms of the GNU Lesser General Public
  20. License as published by the Free Software Foundation; either
  21. version 2.1 of the License, or (at your option) any later version.
  22. The GNU C Library is distributed in the hope that it will be useful,
  23. but WITHOUT ANY WARRANTY; without even the implied warranty of
  24. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  25. Lesser General Public License for more details.
  26. You should have received a copy of the GNU Lesser General Public
  27. License along with the GNU C Library; if not, see
  28. <https://www.gnu.org/licenses/>. */
  29. /*
  30. * POSIX Standard: 4.5.2 Process Times <sys/times.h>
  31. */
  32. #ifndef _SYS_TIMES_H
  33. #define _SYS_TIMES_H 1
  34. #include <features.h>
  35. #include <bits/types/clock_t.h>
  36. __BEGIN_DECLS
  37. /* Structure describing CPU time used by a process and its children. */
  38. struct tms
  39. {
  40. clock_t tms_utime; /* User CPU time. */
  41. clock_t tms_stime; /* System CPU time. */
  42. clock_t tms_cutime; /* User CPU time of dead children. */
  43. clock_t tms_cstime; /* System CPU time of dead children. */
  44. };
  45. /* Store the CPU time used by this process and all its
  46. dead children (and their dead children) in BUFFER.
  47. Return the elapsed real time, or (clock_t) -1 for errors.
  48. All times are in CLK_TCKths of a second. */
  49. extern clock_t times (struct tms *__buffer) __THROW;
  50. __END_DECLS
  51. #endif /* sys/times.h */