diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/errno.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/bits/errno.h | 45 |
1 files changed, 16 insertions, 29 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/errno.h b/sysdeps/unix/sysv/linux/bits/errno.h index 6b5a71e390..e0f7f0b6ae 100644 --- a/sysdeps/unix/sysv/linux/bits/errno.h +++ b/sysdeps/unix/sysv/linux/bits/errno.h @@ -1,5 +1,5 @@ /* Error constants. Linux specific version. - Copyright (C) 1996-2016 Free Software Foundation, Inc. + Copyright (C) 1996-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,24 +16,29 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#ifdef _ERRNO_H +#ifndef _BITS_ERRNO_H +#define _BITS_ERRNO_H 1 + +#if !defined _ERRNO_H +# error "Never include <bits/errno.h> directly; use <errno.h> instead." +#endif -# undef EDOM -# undef EILSEQ -# undef ERANGE # include <linux/errno.h> -/* Linux has no ENOTSUP error code. */ -# define ENOTSUP EOPNOTSUPP +/* Older Linux headers do not define these constants. */ +# ifndef ENOTSUP +# define ENOTSUP EOPNOTSUPP +# endif -/* Older Linux versions also had no ECANCELED error code. */ # ifndef ECANCELED -# define ECANCELED 125 +# define ECANCELED 125 # endif -/* Support for error codes to support robust mutexes was added later, too. */ # ifndef EOWNERDEAD # define EOWNERDEAD 130 +# endif + +#ifndef ENOTRECOVERABLE # define ENOTRECOVERABLE 131 # endif @@ -45,22 +50,4 @@ # define EHWPOISON 133 # endif -# ifndef __ASSEMBLER__ -/* Function to get address of global `errno' variable. */ -extern int *__errno_location (void) __THROW __attribute__ ((__const__)); - -# if !defined _LIBC || defined _LIBC_REENTRANT -/* When using threads, errno is a per-thread value. */ -# define errno (*__errno_location ()) -# endif -# endif /* !__ASSEMBLER__ */ -#endif /* _ERRNO_H */ - -#if !defined _ERRNO_H && defined __need_Emath -/* This is ugly but the kernel header is not clean enough. We must - define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is - defined. */ -# define EDOM 33 /* Math argument out of domain of function. */ -# define EILSEQ 84 /* Illegal byte sequence. */ -# define ERANGE 34 /* Math result not representable. */ -#endif /* !_ERRNO_H && __need_Emath */ +#endif /* bits/errno.h. */ |