- /* Alloc UST domain hash tables */
- lus->domain_pid = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG);
- lus->domain_exec = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG);
+ /*
+ * Default buffer type. This can be changed through an enable channel
+ * requesting a different type. Note that this can only be changed once
+ * during the session lifetime which is at the first enable channel and
+ * only before start. The flag buffer_type_changed indicates the status.
+ */
+ lus->buffer_type = LTTNG_BUFFER_PER_PID;
+ /* Once set to 1, the buffer_type is immutable for the session. */
+ lus->buffer_type_changed = 0;
+ /* Init it in case it get used after allocation. */
+ CDS_INIT_LIST_HEAD(&lus->buffer_reg_uid_list);