Date: Sun, 25 Oct 2020 17:59:37 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: John-Mark Gurney <jmg@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r367048 - head/lib/libc/sys Message-ID: <202010260059.09Q0xbxt003944@slippy.cwsent.com> In-Reply-To: <202010260037.09Q0bVpN090953@repo.freebsd.org> References: <202010260037.09Q0bVpN090953@repo.freebsd.org>
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In message <202010260037.09Q0bVpN090953@repo.freebsd.org>, John-Mark Gurney wri tes: > 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 Should we also include SEE ALSO reference to sysctl(8) or sysctl(3)? Personally I think a reference to sysctl(8) would be more apropos. > +is non-zero). > .It Bq Er ENOBUFS > The mbuf pool has been completely exhausted when writing to a socket. > .El > -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org The need of the many outweighs the greed of the few.
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