errno.h 2.1 KB

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  1. /* Error constants. Linux specific version.
  2. Copyright (C) 1996, 1997, 1998, 1999, 2005 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, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #ifdef _ERRNO_H
  17. # undef EDOM
  18. # undef EILSEQ
  19. # undef ERANGE
  20. # include <linux/errno.h>
  21. /* Linux has no ENOTSUP error code. */
  22. # define ENOTSUP EOPNOTSUPP
  23. /* Older Linux versions also had no ECANCELED error code. */
  24. # ifndef ECANCELED
  25. # define ECANCELED 125
  26. # endif
  27. /* Support for error codes to support robust mutexes was added later, too. */
  28. # ifndef EOWNERDEAD
  29. # define EOWNERDEAD 130
  30. # define ENOTRECOVERABLE 131
  31. # endif
  32. # ifndef __ASSEMBLER__
  33. /* Function to get address of global `errno' variable. */
  34. extern int *__errno_location (void) __THROW __attribute__ ((__const__));
  35. libc_hidden_proto(__errno_location)
  36. # ifdef __UCLIBC_HAS_THREADS__
  37. /* When using threads, errno is a per-thread value. */
  38. # define errno (*__errno_location ())
  39. # endif
  40. # endif /* !__ASSEMBLER__ */
  41. #endif /* _ERRNO_H */
  42. #if !defined _ERRNO_H && defined __need_Emath
  43. /* This is ugly but the kernel header is not clean enough. We must
  44. define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
  45. defined. */
  46. # define EDOM 33 /* Math argument out of domain of function. */
  47. # define EILSEQ 84 /* Illegal byte sequence. */
  48. # define ERANGE 34 /* Math result not representable. */
  49. #endif /* !_ERRNO_H && __need_Emath */