profil.h 2.5 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) 2001-2026 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. #ifndef _PROFIL_H
  30. #define _PROFIL_H 1
  31. #include <features.h>
  32. #include <sys/time.h>
  33. #include <sys/types.h>
  34. /* This interface is intended to follow the sprofil() system calls as
  35. described by the sprofil(2) man page of Irix v6.5, except that:
  36. - there is no a priori limit on number of text sections
  37. - pr_scale is declared as unsigned long (instead of "unsigned int")
  38. - pr_size is declared as size_t (instead of "unsigned int")
  39. - pr_off is declared as void * (instead of "__psunsigned_t")
  40. - the overflow bin (pr_base==0, pr_scale==2) can appear anywhere
  41. in the profp array
  42. - PROF_FAST has no effect */
  43. struct prof
  44. {
  45. void *pr_base; /* buffer base */
  46. size_t pr_size; /* buffer size */
  47. size_t pr_off; /* pc offset */
  48. unsigned long int pr_scale; /* pc scaling (fixed-point number) */
  49. };
  50. enum
  51. {
  52. PROF_USHORT = 0, /* use 16-bit counters (default) */
  53. PROF_UINT = 1 << 0, /* use 32-bit counters */
  54. PROF_FAST = 1 << 1 /* profile faster than usual */
  55. };
  56. __BEGIN_DECLS
  57. extern int sprofil (struct prof *__profp, int __profcnt,
  58. struct timeval *__tvp, unsigned int __flags) __THROW;
  59. __END_DECLS
  60. #endif /* profil.h */