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authorgutteridge <gutteridge@NetBSD.org>2022-09-28 00:35:47 +0000
committergutteridge <gutteridge@NetBSD.org>2022-09-28 00:35:47 +0000
commit2acdb943db6a656a334de0a67f4b6ef81b9c7273 (patch)
tree44d400169fcf2126d717660833344ca65dcd17c4 /lib/libc/stdlib
parentdd8e9dd344aa3b562f0723b774b6abf72ff96bdd (diff)
posix_openpt.3: reflect flag changes from r. 1.44 of tty_ptm.c
Some flags are now accepted, others are still ignored. (E.g., other BSDs would return EINVAL if O_RDWR wasn't passed, and we now accept O_NONBLOCK but not O_CLOEXEC.)
Diffstat (limited to 'lib/libc/stdlib')
-rw-r--r--lib/libc/stdlib/posix_openpt.310
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libc/stdlib/posix_openpt.3 b/lib/libc/stdlib/posix_openpt.3
index 86ae6f98faa..ed3b00d3dd5 100644
--- a/lib/libc/stdlib/posix_openpt.3
+++ b/lib/libc/stdlib/posix_openpt.3
@@ -1,4 +1,4 @@
-.\" $NetBSD: posix_openpt.3,v 1.7 2022/09/06 22:54:41 gutteridge Exp $
+.\" $NetBSD: posix_openpt.3,v 1.8 2022/09/28 00:35:47 gutteridge Exp $
.\"
.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -27,7 +27,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd September 6, 2022
+.Dd September 28, 2022
.Dt POSIX_OPENPT 3
.Os
.Sh NAME
@@ -51,9 +51,9 @@ The
argument has the same meaning as in the
.Xr open 2
call.
-However, the value of
+However, flags supplied in
.Fa oflag
-is ignored; it exists for compatibility reasons only.
+may be ignored if they are unsupported.
.Sh RETURN VALUES
If successful,
.Fn posix_openpt
@@ -67,7 +67,7 @@ Note that unlike implementations on some other operating systems,
.Fn posix_openpt
does not return
.Er EINVAL
-if the value of
+if a flag supplied in
.Fa oflag
would be deemed invalid, instead it is simply ignored.
This means it is not possible to dynamically test which