qerror: add five qerror strings

Add five new qerror strings, they are about listen/connect socket:
  QERR_SOCKET_CONNECT_IN_PROGRESS
  QERR_SOCKET_CONNECT_FAILED
  QERR_SOCKET_LISTEN_FAILED
  QERR_SOCKET_BIND_FAILED
  QERR_SOCKET_CREATE_FAILED

Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qerror.h b/qerror.h
index 5c23c1f..4cbba48 100644
--- a/qerror.h
+++ b/qerror.h
@@ -248,4 +248,19 @@
 #define QERR_VNC_SERVER_FAILED \
     "{ 'class': 'VNCServerFailed', 'data': { 'target': %s } }"
 
+#define QERR_SOCKET_CONNECT_IN_PROGRESS \
+    "{ 'class': 'SockConnectInprogress', 'data': {} }"
+
+#define QERR_SOCKET_CONNECT_FAILED \
+    "{ 'class': 'SockConnectFailed', 'data': {} }"
+
+#define QERR_SOCKET_LISTEN_FAILED \
+    "{ 'class': 'SockListenFailed', 'data': {} }"
+
+#define QERR_SOCKET_BIND_FAILED \
+    "{ 'class': 'SockBindFailed', 'data': {} }"
+
+#define QERR_SOCKET_CREATE_FAILED \
+    "{ 'class': 'SockCreateFailed', 'data': {} }"
+
 #endif /* QERROR_H */