dll_process_attach

bool dll_process_attach(  HINSTANCE hInstance,  bool  attach_threads,
                          void *  tlsstart,  void *  tlsend,  void *  tls_callbacks_a,  int *  tlsindex )

To be called from DllMain with reason DLL_PROCESS_ATTACH

fixup TLS storage, initialize runtime and attach to threads

Returns

true = success, false = failure

fnbool dll_process_attach( HINSTANCE hInstance, bool attach_threads = true )

same as above, but checking for shared runtime