add node init msg, alloc msgq on success.

lichao

2021-04-30 377e395a5fdc6ad44bdd5a2d41d2930f45fc4384

 src/shm.cpp

@@ -25,6 +25,7 @@
    mshm_t(open_or_create, name.c_str(), size, 0, AllowAll()),
    name_(name)
{
   pmutex_ = FindOrCreate<Mutex>("ShmSelfControlMutex0");
}

SharedMemory::~SharedMemory()