errno.h 2.1 KB

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  1. /* Error constants. Linux specific version.
  2. Copyright (C) 1996-2016 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #ifdef _ERRNO_H
  16. # undef EDOM
  17. # undef EILSEQ
  18. # undef ERANGE
  19. # include <linux/errno.h>
  20. /* Linux has no ENOTSUP error code. */
  21. # define ENOTSUP EOPNOTSUPP
  22. /* Older Linux versions also had no ECANCELED error code. */
  23. # ifndef ECANCELED
  24. # define ECANCELED 125
  25. # endif
  26. /* Support for error codes to support robust mutexes was added later, too. */
  27. # ifndef EOWNERDEAD
  28. # define EOWNERDEAD 130
  29. # define ENOTRECOVERABLE 131
  30. # endif
  31. # ifndef ERFKILL
  32. # define ERFKILL 132
  33. # endif
  34. # ifndef EHWPOISON
  35. # define EHWPOISON 133
  36. # endif
  37. # ifndef __ASSEMBLER__
  38. /* Function to get address of global `errno' variable. */
  39. extern int *__errno_location (void) __THROW __attribute__ ((__const__));
  40. # if !defined _LIBC || defined _LIBC_REENTRANT
  41. /* When using threads, errno is a per-thread value. */
  42. # define errno (*__errno_location ())
  43. # endif
  44. # endif /* !__ASSEMBLER__ */
  45. #endif /* _ERRNO_H */
  46. #if !defined _ERRNO_H && defined __need_Emath
  47. /* This is ugly but the kernel header is not clean enough. We must
  48. define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
  49. defined. */
  50. # define EDOM 33 /* Math argument out of domain of function. */
  51. # define EILSEQ 84 /* Illegal byte sequence. */
  52. # define ERANGE 34 /* Math result not representable. */
  53. #endif /* !_ERRNO_H && __need_Emath */