From ccd38a70ceb49e112a6e85a46d676873817719b6 Mon Sep 17 00:00:00 2001
From: Bryan Cantrill <bryan@joyent.com>
Date: Fri, 16 May 2014 16:45:10 +0000
Subject: OS-2985 POLLHUP not generated for disconnected Unix domain sockets

---
 usr/src/uts/common/fs/sockfs/socktpi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/usr/src/uts/common/fs/sockfs/socktpi.c b/usr/src/uts/common/fs/sockfs/socktpi.c
index 582db26448..43bc503ed1 100644
--- a/usr/src/uts/common/fs/sockfs/socktpi.c
+++ b/usr/src/uts/common/fs/sockfs/socktpi.c
@@ -6271,6 +6271,13 @@ sotpi_poll(
 	if (sti->sti_conn_ind_head != NULL)
 		*reventsp |= (POLLIN|POLLRDNORM) & events;
 
+	if (so->so_state & SS_CANTRCVMORE) {
+		*reventsp |= POLLRDHUP & events;
+
+		if (so->so_state & SS_CANTSENDMORE)
+			*reventsp |= POLLHUP;
+	}
+
 	if (so->so_state & SS_OOBPEND)
 		*reventsp |= POLLRDBAND & events;
 
-- 
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