XPC_C_CONNECTING
ch->flags |= (XPC_C_CONNECTING | XPC_C_ROPENREQUEST);
ch->flags |= (XPC_C_ROPENREQUEST | XPC_C_CONNECTING);
DBUG_ON(!(ch->flags & XPC_C_CONNECTING));
ch->flags |= (XPC_C_OPENREQUEST | XPC_C_CONNECTING);
DBUG_ON(!(ch->flags & (XPC_C_CONNECTING | XPC_C_CONNECTED)));
XPC_C_CONNECTING | XPC_C_CONNECTED);