From 43da1686da1dce765d26629d114bf7711905aa8c Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sun, 31 Aug 2014 19:24:38 +0200
Subject: [PATCH] nfs/Connection: check for disappearing libnfs socket

---
 src/lib/nfs/Connection.cxx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/lib/nfs/Connection.cxx b/src/lib/nfs/Connection.cxx
index 64458fec6..d37817a86 100644
--- a/src/lib/nfs/Connection.cxx
+++ b/src/lib/nfs/Connection.cxx
@@ -299,6 +299,24 @@ NfsConnection::OnSocketReady(unsigned flags)
 		DestroyContext();
 		closed = true;
 
+		BroadcastError(std::move(error));
+	} else if (SocketMonitor::IsDefined() && nfs_get_fd(context) < 0) {
+		/* this happens when rpc_reconnect_requeue() is called
+		   after the connection broke, but autoreconnet was
+		   disabled - nfs_service() returns 0 */
+		Error error;
+		const char *msg = nfs_get_error(context);
+		if (msg == nullptr)
+			error.Set(nfs_domain, "NFS socket disappeared");
+		else
+			error.Format(nfs_domain,
+				     "NFS socket disappeared: %s", msg);
+
+		const ScopeLock protect(mutex);
+
+		DestroyContext();
+		closed = true;
+
 		BroadcastError(std::move(error));
 	}