+
+struct lttng_ust_channel_buffer *lttng_ust_alloc_channel_buffer(void)
+{
+ struct lttng_ust_channel_buffer *lttng_chan_buf;
+ struct lttng_ust_channel_common *lttng_chan_common;
+ struct lttng_ust_channel_buffer_private *lttng_chan_buf_priv;
+
+ lttng_chan_buf = zmalloc(sizeof(struct lttng_ust_channel_buffer));
+ if (!lttng_chan_buf)
+ goto lttng_chan_buf_error;
+ lttng_chan_buf->struct_size = sizeof(struct lttng_ust_channel_buffer);
+ lttng_chan_common = zmalloc(sizeof(struct lttng_ust_channel_common));
+ if (!lttng_chan_common)
+ goto lttng_chan_common_error;
+ lttng_chan_common->struct_size = sizeof(struct lttng_ust_channel_common);
+ lttng_chan_buf_priv = zmalloc(sizeof(struct lttng_ust_channel_buffer_private));
+ if (!lttng_chan_buf_priv)
+ goto lttng_chan_buf_priv_error;
+ lttng_chan_buf->parent = lttng_chan_common;
+ lttng_chan_common->type = LTTNG_UST_CHANNEL_TYPE_BUFFER;
+ lttng_chan_common->child = lttng_chan_buf;
+ lttng_chan_buf->priv = lttng_chan_buf_priv;
+ lttng_chan_common->priv = <tng_chan_buf_priv->parent;
+ lttng_chan_buf_priv->pub = lttng_chan_buf;
+ lttng_chan_buf_priv->parent.pub = lttng_chan_common;
+
+ return lttng_chan_buf;
+
+lttng_chan_buf_priv_error:
+ free(lttng_chan_common);
+lttng_chan_common_error:
+ free(lttng_chan_buf);
+lttng_chan_buf_error:
+ return NULL;
+}
+
+void lttng_ust_free_channel_common(struct lttng_ust_channel_common *chan)
+{
+ switch (chan->type) {
+ case LTTNG_UST_CHANNEL_TYPE_BUFFER:
+ {
+ struct lttng_ust_channel_buffer *chan_buf;
+
+ chan_buf = (struct lttng_ust_channel_buffer *)chan->child;
+ free(chan_buf->parent);
+ free(chan_buf->priv);
+ free(chan_buf);
+ break;
+ }
+ default:
+ abort();
+ }
+}
+
+void lttng_ust_ring_buffer_clients_init(void)
+{
+ lttng_ring_buffer_metadata_client_init();
+ lttng_ring_buffer_client_overwrite_init();
+ lttng_ring_buffer_client_overwrite_rt_init();
+ lttng_ring_buffer_client_discard_init();
+ lttng_ring_buffer_client_discard_rt_init();
+}
+
+void lttng_ust_ring_buffer_clients_exit(void)
+{
+ lttng_ring_buffer_client_discard_rt_exit();
+ lttng_ring_buffer_client_discard_exit();
+ lttng_ring_buffer_client_overwrite_rt_exit();
+ lttng_ring_buffer_client_overwrite_exit();
+ lttng_ring_buffer_metadata_client_exit();
+}
+
+void lttng_ust_counter_clients_init(void)
+{
+ lttng_counter_client_percpu_64_modular_init();
+ lttng_counter_client_percpu_32_modular_init();
+}
+
+void lttng_ust_counter_clients_exit(void)
+{
+ lttng_counter_client_percpu_32_modular_exit();
+ lttng_counter_client_percpu_64_modular_exit();
+}