Alan Cox wrote:
quoted text
>> SCTP API simply chooses to ignore the "may".  It is still fully compliant
>> with POSIX in this regard.
> 
> Linux chooses the interpretation that zero means one connection. Having a
> single protocol variant do different things is not nice because  a lot
> of code is designed to handle multiple address families and expect the
> same non address handling behaviour.
> 
> So while it may be able to claim posix compliance, its not Linux
> behaviour, and its relying on a specific interpretation of posix not
> being used by the OS.
> 
> At the very least the current behaviour of the SCTP code is plain rude.
> 

I will submit a requirest to change this behavior in the spec, but I am not
terribly optimistic.  This has been specified for a very long time and there
might be applications taking advantage of the ability to shut listing off.

At this time, let's leave this as is.  A well written application should specify
the listen backlog anyway, otherwise it's depending on the "may" language in the
Posix spec and will not get consistent behavior across different systems.

-vlad
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