Messages in this thread |  | | Date | Thu, 30 Nov 2000 19:14:14 +0100 | From | Andi Kleen <> | Subject | Re: TCP push missing with writev() |
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On Thu, Nov 30, 2000 at 05:35:41PM +0000, Ben Mansell wrote: > (possibly treading on ground covered before: > http://www.uwsg.iu.edu/hypermail/linux/kernel/9904.1/0304.html ) > > To be brief and to the point: Should there be any difference between the > following two ways of writing data to a TCP socket? > > 1) write( fd, buffer, length ) > 2) writev( fd, {buffer, length}, {NULL,0} )
No.
> > The problem is that if data happens to be written via method (2), then > the PUSH flag is never set on any packets generated. This is a bug, > surely?
I just tried it on 2.2.17 and 2.4.0test11 and it sets PUSH for writev() for both cases just fine. Maybe you could supply a test program and tcpdump logs for what you think is wrong ?
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