diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index 6818699104..b48f24b389 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -30,8 +30,9 @@ __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. */ -/* POSIX Standard approved as IEEE Std 1003.1 as of August, 1988. */ -#define _POSIX_VERSION 199009L +/* POSIX Standard approved as IEEE Std 1003.1 as of August, 1988 and + extended by P1003.1b (aka POSIX.4). */ +#define _POSIX_VERSION 199309L /* These are not #ifdef __USE_POSIX2 because they are in the theoretically application-owned namespace. */ @@ -94,6 +95,9 @@ __BEGIN_DECLS `c_cc' member of `struct termios' is _POSIX_VDISABLE, no character will have the effect associated with that element. + _POSIX_SYNC_IO Synchronous I/O may be performed. + _POSIX_ASYNC_IO Asynchronous I/O may be performed. + _POSIX_PRIO_IO Prioritized Asynchronous I/O may be performed. */ #include <posix_opt.h> |