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SubjectRe: raw sockets and blocking
Paul Jakma wrote:
> > It is, however, perfectly legal to say an operation can
> > complete without blocking (say, through 'select' or 'poll') and
> > later return EWOULDBLOCK. (So long as some operation could have
> > completed, not necessarily the one you tried.)
>
> Right. But that's fine, we can deal with that, if the error is
> posted.
>
> Problem is no error is posted when we sendmsg[1], yet the socket
> thereafter stays write-blocked, with (sane) way for us to recover.

I hate to check the obvious, but did you try setting the O_NONBLOCK
flag for the socket? Did you try setting the MSG_DONTWAIT flag for
the sendmsg operation?

-- Jamie
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