util: New ovs_retval_to_string() function.

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

diff --git a/lib/jsonrpc.c b/lib/jsonrpc.c
index 7c761ea..fb20bc5 100644 (file)
--- a/lib/jsonrpc.c
+++ b/lib/jsonrpc.c
@@ -142,6 +142,12 @@ jsonrpc_wait(struct jsonrpc *rpc)
     }
 }
 
+/*
+ * Possible status values:
+ * - 0: no error yet
+ * - >0: errno value
+ * - EOF: end of file (remote end closed connection; not necessarily an error)
+ */
 int
 jsonrpc_get_status(const struct jsonrpc *rpc)
 {