[Patch] Fix hang in safe_sendfile on SmartOS

[Timo Sirainen]

On 07/16/2015 06:03 PM, Sebastian Wiedenroth wrote:
> Fix hang in safe_sendfile on SmartOS
> 
> The call to sendfile on SmartOS can fail with EOPNOTSUPP. This is a valid error
> code and documented in the man page. This error code needs to be handled or
> else dovecot will retry the sendfile call endlessly and hang.

Committed .. However, I think a more important bug is that it hangs.
It's definitely not supposed to hang. Which process was it that was
hanging How can I reproduce that? I can only get it to disconnect the
IMAP client.