s3: smbd: Fix FreeBSD sendfile() for SMB2. Ensure we don't spin on EAGAIN.
commit456e520a3be7e4b54f1f144324c3671b8f6e35ea
authorJeremy Allison <jra@samba.org>
Wed, 18 Jul 2018 22:44:34 +0000 (18 15:44 -0700)
committerVolker Lendecke <vl@samba.org>
Fri, 20 Jul 2018 10:25:16 +0000 (20 12:25 +0200)
treefac9b5e06423ec99ff8f79b4dc18f84970aaf771
parentd222caa449d9c00bb2dd9da6c79ea509960d47c6
s3: smbd: Fix FreeBSD sendfile() for SMB2. Ensure we don't spin on EAGAIN.

For SMB2 the socket is set non-blocking. Ensure sendfile()
calls complete if they return EAGAIN by saving the socket state,
setting it blocking, doing the sendfile until completion and then
restoring the socket state.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13537

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
source3/lib/sendfile.c