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From: John-Mark Gurney <jmg@FreeBSD.org>
Date: Mon, 26 Oct 2020 00:37:31 +0000 (UTC)
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Subject: svn commit: r367048 - head/lib/libc/sys
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Author: jmg
Date: Mon Oct 26 00:37:31 2020
New Revision: 367048
URL: https://svnweb.freebsd.org/changeset/base/367048

Log:
  update write(2)'s iovec limit w/ info about the iosize_max_clamp sysctl...

Modified:
  head/lib/libc/sys/write.2

Modified: head/lib/libc/sys/write.2
==============================================================================
--- head/lib/libc/sys/write.2	Sun Oct 25 23:26:07 2020	(r367047)
+++ head/lib/libc/sys/write.2	Mon Oct 26 00:37:31 2020	(r367048)
@@ -28,7 +28,7 @@
 .\"     @(#)write.2	8.5 (Berkeley) 4/2/94
 .\" $FreeBSD$
 .\"
-.Dd March 30, 2020
+.Dd October 25, 2020
 .Dt WRITE 2
 .Os
 .Sh NAME
@@ -240,9 +240,13 @@ array was negative.
 .It Bq Er EINVAL
 The sum of the
 .Fa iov_len
-values in the
-.Fa iov
-array overflowed a 32-bit integer.
+values is greater than
+.Dv SSIZE_MAX
+(or greater than
+.Dv INT_MAX ,
+if the sysctl
+.Va debug.iosize_max_clamp
+is non-zero).
 .It Bq Er ENOBUFS
 The mbuf pool has been completely exhausted when writing to a socket.
 .El