From ce64f74204d2407dd9bdc340f97ed7aeeb9e5032 Mon Sep 17 00:00:00 2001
From: Sean Hefty <sean.hefty@intel.com>
Date: Mon, 4 Jun 2012 13:14:42 -0700
Subject: [PATCH] rsocket: Handle SHUT_RD/WR shutdown flags

Sridhar Samudrala <sri@us.ibm.com> reported an error (EOPNOTSUPP)
after calling select().

The issue is that rshutdown(SHUT_WR) was called before select().
As part of shutdown, rsockets switches the underlying fd from
nonblocking to blocking to ensure that previously sent data has
completed.  shutdown(SHUT_WR) indicates that the socket should be
kept open for receiving data.

Delay handling the actual shutdown until both the read and write
streams have been disconnected.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
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2.45.2