+ SG_OK /** Code returned when no problem occured */,
+ SG_ERROR_CANCELED /** Code returned when something got canceled before completion */,
+ SG_ERROR_TIMEOUT /** Code returned when timeout elapsed */,
+ SG_ERROR_HOST /** Code returned when a host fails */,
+ SG_ERROR_NETWORK /** Code returned when a communication fails because of the network or because of the remote host */,
+ SG_ERROR_STORAGE /** Code returned when a storage fails */,
+ SG_ERROR_VM /** Code returned when a VM fails */