Hello Michael: It is the latter, better documentation of longstanding behavior. There is a bug, however, that broke the functionality two years ago. The bug is being fixed. Thanks. -- Enke On Thu, Jan 14, 2021 at 01:08:26PM +0100, Michael Kerrisk (man-pages) wrote: > Hello Enke (and Eric), > > Thank you for the patch. Is this a change in behavior, or a better > documentation of longstanding behavior? > > Eric, do you have an Ack/Review for this patch? > > Thanks, > > Michael > > On Sat, 9 Jan 2021 at 06:21, Enke Chen <enkechen2020@xxxxxxxxx> wrote: > > > > diff --git a/man7/tcp.7 b/man7/tcp.7 > > index 6c91f058b..2ce831c90 100644 > > --- a/man7/tcp.7 > > +++ b/man7/tcp.7 > > @@ -1161,7 +1161,8 @@ This option takes an > > as an argument. > > When the value is greater than 0, > > it specifies the maximum amount of time in milliseconds that transmitted > > -data may remain unacknowledged before TCP will forcibly close the > > +data may remain unacknowledged, or bufferred data may remain untransmitted > > +(due to zero window size) before TCP will forcibly close the > > corresponding connection and return > > .B ETIMEDOUT > > to the application. > > > > -- > Michael Kerrisk > Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ > Linux/UNIX System Programming Training: http://man7.org/training/
