Merge branch 'master' of ssh://git.onelab.eu/git/sliver-openvswitch

[sliver-openvswitch.git] / lib / vconn.c

diff --git a/lib/vconn.c b/lib/vconn.c
index f0549d5..d6d239f 100644 (file)
--- a/lib/vconn.c
+++ b/lib/vconn.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -293,6 +293,15 @@ vconn_run_wait(struct vconn *vconn)
     }
 }
 
+/* Returns 0 if 'vconn' is healthy (connecting or connected), a positive errno
+ * value if the connection died abnormally (connection failed or aborted), or
+ * EOF if the connection was closed in a normal way. */
+int
+vconn_get_status(const struct vconn *vconn)
+{
+    return vconn->error == EAGAIN ? 0 : vconn->error;
+}
+
 int
 vconn_open_block(const char *name, uint32_t allowed_versions, uint8_t dscp,
                  struct vconn **vconnp)