fix socket busy loop; del locked readall; refactor.

lichao

2021-04-26 1b167ec5ad101ac44451381e26cc73ab5d67d2a1

 src/bh_api.cpp

@@ -10,7 +10,7 @@
{
TopicNode &ProcNode()
{
   static bool init_bind_msg_shm = MsgI::BindShm(BHomeShm());
   static bool init = GlobalInit(BHomeShm());
   static TopicNode node(BHomeShm());
   return node;
}