Get VM process id.
PRL_RESULT PrlVmInfo_GetVmProcessId( PRL_HANDLE handle, PRL_UINT32_PTR ppid );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_NO_DATA - process id not available.
PRL_ERR_SUCCESS - function completed successfully.