-/*
- * Add PID to session tracker.
- *
- * A pid argument >= 0 adds the PID to the session tracker.
- * A pid argument of -1 means "track all PIDs".
- *
- * Return 0 on success else a negative LTTng error code.
- */
-extern int lttng_track_pid(struct lttng_handle *handle, int pid);
-
-/*
- * Remove PID from session tracker.
- *
- * A pid argument >= 0 removes the PID from the session tracker.
- * A pid argument of -1 means "untrack all PIDs".
- *
- * Return 0 on success else a negative LTTng error code.
- */
-extern int lttng_untrack_pid(struct lttng_handle *handle, int pid);
-
-/*
- * List PIDs in the tracker.
- *
- * enabled is set to whether the PID tracker is enabled.
- * pids is set to an allocated array of PIDs currently tracked. On
- * success, pids must be freed by the caller.
- * nr_pids is set to the number of entries contained by the pids array.
- *
- * Returns 0 on success, else a negative LTTng error code.
- */
-extern int lttng_list_tracker_pids(struct lttng_handle *handle,
- int *enabled, int32_t **pids, size_t *nr_pids);
-