[ ERROR_INDEX(LTTNG_ERR_NO_SESSIOND) ] = "No session daemon is available",
[ ERROR_INDEX(LTTNG_ERR_SESSION_STARTED) ] = "Session is running",
[ ERROR_INDEX(LTTNG_ERR_NOT_SUPPORTED) ] = "Operation not supported",
+ [ ERROR_INDEX(LTTNG_ERR_UST_EVENT_ENABLED) ] = "UST event already enabled",
/* Last element */
[ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code"