rename socket.h/cpp to shm_socket.h/cpp.

lichao

2021-05-20 4ad4f24f18cf7d0af22ca885baebc6a3eb37e7d0

 src/defs.h

@@ -66,4 +66,7 @@
bool BHNodeInit(const int64_t request, int64_t &reply);
void BHCenterHandleInit(std::function<int64_t(const int64_t)> const &onReq);

// node mq is avail with in timeout; after that may get killed.
int NodeTimeoutSec();

#endif // end of include guard: DEFS_KP8LKGD0