+ LTTNG_ERR_USER_NOT_FOUND = 160, /* User not found. */
+ LTTNG_ERR_GROUP_NOT_FOUND = 161, /* Group not found. */
+
+ LTTNG_ERR_PID_TRACKED = LTTNG_ERR_ID_TRACKED, /* Backward compat alias to LTTNG_ERR_ID_TRACKED */
+ LTTNG_ERR_PID_NOT_TRACKED = LTTNG_ERR_ID_NOT_TRACKED, /* Backward compat alias to LTTNG_ERR_ID_NOT_TRACKED */