diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index f14e02d02b..2fbdae5652 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -77,6 +77,9 @@ __BEGIN_DECLS are present. */ #define _XOPEN_ENH_I18N 1 +/* The legacy interfaces are also available. */ +#define _XOPEN_LEGACY 1 + /* Get values of POSIX options: @@ -122,6 +125,8 @@ __BEGIN_DECLS _POSIX_POLL Implementation supports `poll' function. _POSIX_SELECT Implementation supports `select' and `pselect'. + _XOPEN_REALTIME X/Open realtime support is available. + _XOPEN_REALTIME_THREADS X/Open realtime thread support is available. _XOPEN_SHM Shared memory interface according to XPG4.2. _XBS5_ILP32_OFF32 Implementation provides environment with 32-bit @@ -162,6 +167,10 @@ __BEGIN_DECLS #include <bits/posix_opt.h> +/* Get the environment definitions from Unix98. */ +#ifdef __USE_UNIX98 +# include <bits/environments.h> +#endif /* Standard file descriptors. */ #define STDIN_FILENO 0 /* Standard input. */ |