obvious bugfix: if the queue is removed while message transmission is

blocked, POSIX requires EIDRM rather than EINVAL, and that's what our
implementation does and what the ERRORS section already says, too

2 files changed, 4 insertions, 4 deletions

diff --git a/lib/libc/sys/msgrcv.2 b/lib/libc/sys/msgrcv.2
index d49ed306be2..3474f967604 100644
--- a/lib/libc/sys/msgrcv.2
+++ b/lib/libc/sys/msgrcv.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: msgrcv.2,v 1.17 2019/07/18 13:32:40 schwarze Exp $
+.\"	$OpenBSD: msgrcv.2,v 1.18 2019/07/18 13:45:03 schwarze Exp $
 .\"	$NetBSD: msgrcv.2,v 1.2 1997/03/27 08:20:37 mikel Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
@@ -120,7 +120,7 @@ A message of the requested type becomes available on the message queue.
 The message queue is removed, in which case \-1 will be returned, and
 .Va errno
 set to
-.Er EINVAL .
+.Er EIDRM .
 .It
 A signal is received and caught.
 \-1 is returned, and
diff --git a/lib/libc/sys/msgsnd.2 b/lib/libc/sys/msgsnd.2
index 3b676f4ede9..54d710ab666 100644
--- a/lib/libc/sys/msgsnd.2
+++ b/lib/libc/sys/msgsnd.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: msgsnd.2,v 1.20 2019/07/18 12:57:12 schwarze Exp $
+.\"	$OpenBSD: msgsnd.2,v 1.21 2019/07/18 13:45:03 schwarze Exp $
 .\"	$NetBSD: msgsnd.2,v 1.2 1997/03/27 08:20:36 mikel Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
@@ -92,7 +92,7 @@ The message will be sent.
 The message queue is removed, in which case \-1 will be returned, and
 .Va errno
 is set to
-.Er EINVAL .
+.Er EIDRM .
 .It
 The caller catches a signal.
 The call returns with