Re: syslog() blocks on glibc 2.1.3 with kernel 2.2.x

[H. Peter Anvin]

Followup to:  <[EMAIL PROTECTED]>
By author:    Kurt Roeckx <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> On Mon, Oct 23, 2000 at 03:58:39PM -0400, Patrick J. LoPresti wrote:
> > "David S. Miller" <[EMAIL PROTECTED]> writes:
> > 
> > > SOCK_DGRAM over AF_UNIX is reliable, it's a local transport.
> > 
> > This is contrary to the documentation ("man socket").  The behavior
> > you describe is what I would expect for SOCK_SEQPACKET, not
> > SOCK_DGRAM.
> 
> SOCK_DGRAM is only as reliable as the underlying protocol. If the 
> unerlying one is not reliable, neither is SOCK_DGRAM.  It will not
> do anything to make it more reliable, unlike others.
> 

Again, SOCK_DGRAM is reliable over AF_UNIX, because AF_UNIX does not
implement any nonreliable transports.

        -hpa

-- 
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