diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index cbab9f939e..d9ecb5e788 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -30,30 +30,58 @@ __BEGIN_DECLS /* These may be used to determine what facilities are present at compile time. Their values can be obtained at run time from `sysconf'. */ +#ifdef __USE_XOPEN2K8 /* POSIX Standard approved as ISO/IEC 9945-1 as of September 2008. */ -#define _POSIX_VERSION 200809L +# define _POSIX_VERSION 200809L +#elif defined __USE_XOPEN2K +/* POSIX Standard approved as ISO/IEC 9945-1 as of December 2001. */ +# define _POSIX_VERSION 200112L +#elif defined __USE_POSIX199506 +/* POSIX Standard approved as ISO/IEC 9945-1 as of June 1995. */ +# define _POSIX_VERSION 199506L +#elif defined __USE_POSIX199309 +/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1993. */ +# define _POSIX_VERSION 199309L +#else +/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1990. */ +# define _POSIX_VERSION 199009L +#endif /* These are not #ifdef __USE_POSIX2 because they are in the theoretically application-owned namespace. */ +#ifdef __USE_XOPEN2K8 +# define __POSIX2_THIS_VERSION 200809L +/* The utilities on GNU systems also correspond to this version. */ +#elif defined __USE_XOPEN2K +/* The utilities on GNU systems also correspond to this version. */ +# define __POSIX2_THIS_VERSION 200112L +#elif defined __USE_POSIX199506 +/* The utilities on GNU systems also correspond to this version. */ +# define __POSIX2_THIS_VERSION 199506L +#else +/* The utilities on GNU systems also correspond to this version. */ +# define __POSIX2_THIS_VERSION 199209L +#endif + /* The utilities on GNU systems also correspond to this version. */ -#define _POSIX2_VERSION 200809L +#define _POSIX2_VERSION __POSIX2_THIS_VERSION /* If defined, the implementation supports the C Language Bindings Option. */ -#define _POSIX2_C_BIND 200809L +#define _POSIX2_C_BIND __POSIX2_THIS_VERSION /* If defined, the implementation supports the C Language Development Utilities Option. */ -#define _POSIX2_C_DEV 200809L +#define _POSIX2_C_DEV __POSIX2_THIS_VERSION /* If defined, the implementation supports the Software Development Utilities Option. */ -#define _POSIX2_SW_DEV 200809L +#define _POSIX2_SW_DEV __POSIX2_THIS_VERSION /* If defined, the implementation supports the creation of locales with the localedef utility. */ -#define _POSIX2_LOCALEDEF 200809L +#define _POSIX2_LOCALEDEF __POSIX2_THIS_VERSION /* X/Open version number to which the library conforms. It is selectable. */ #ifdef __USE_XOPEN2K8 |